.github/workflows/python.yml

@@ -18,7 +18,7 @@ jobs:
       matrix:
         python-version: ['3.13']
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
@@ -41,7 +41,7 @@ jobs:
         - '3.13'
       fail-fast: false
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
@@ -76,7 +76,7 @@ jobs:
   install:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with: {python-version: 3.11}
     - run: '! ical2vdir --help'
@@ -90,7 +90,7 @@ jobs:
       matrix:
         python-version: ['3.13']
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}

CHANGELOG.md

@@ -5,12 +5,17 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [2.0.0] - 2026-01-14
 ### Added
 - declare compatibility with `python3.11`, `python3.12` & `python3.13`
 
 ### Removed
 - compatibility with `python3.7`, `python3.8` & `python3.9`
 
+### Fixed
+- assertion error on "RECURRENCE-ID;VALUE=DATE:…"
+
 ## [1.0.0] - 2022-08-01
 ### Added
 - `pyproject.toml` to specify build dependencies & build backend
@@ -37,7 +42,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.1.0] - 2020-02-06
 
-[Unreleased]: https://github.com/fphammerle/ical2vdir/compare/v1.0.0...HEAD
+[Unreleased]: https://github.com/fphammerle/ical2vdir/compare/v2.0.0...HEAD
+[1.0.0]: https://github.com/fphammerle/ical2vdir/compare/v1.0.0...v2.0.0
 [1.0.0]: https://github.com/fphammerle/ical2vdir/compare/v0.1.2...v1.0.0
 [0.1.2]: https://github.com/fphammerle/ical2vdir/compare/v0.1.1...v0.1.2
 [0.1.1]: https://github.com/fphammerle/ical2vdir/compare/v0.1.0...v0.1.1

Pipfile.lock

@@ -55,40 +55,45 @@
     "develop": {
         "astroid": {
             "hashes": [
-                "sha256:0d778ec0def05b935e198412e62f9bcca8b3b5c39fdbe50b0ba074005e477aab",
-                "sha256:37ab2f107d14dc173412327febf6c78d39590fdafcb44868f03b6c03452e3db0"
+                "sha256:ac8fb7ca1c08eb9afec91ccc23edbd8ac73bb22cbdd7da1d488d9fb8d6579070",
+                "sha256:d7546c00a12efc32650b19a2bb66a153883185d3179ab0d4868086f807338b9b"
             ],
             "markers": "python_full_version >= '3.10.0'",
-            "version": "==4.0.1"
+            "version": "==4.0.2"
         },
         "black": {
             "hashes": [
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+                "sha256:9ec77439ef3e34896995503865a85732c94396edcc739f302c5673a2315e1e7f",
+                "sha256:a05ddeb656534c3e27a05a29196c962877c83fa5503db89e68857d1161ad08a5",
+                "sha256:a3fa71e3b8dd9f7c6ac4d818345237dfb4175ed3bf37cd5a581dbc4c034f1ec5",
+                "sha256:b162653ed89eb942758efeb29d5e333ca5bb90e5130216f8369857db5955a7da",
+                "sha256:bc5b1c09fe3c931ddd20ee548511c64ebf964ada7e6f0763d443947fd1c603ce",
+                "sha256:c1f68c5eff61f226934be6b5b80296cf6939e5d2f0c2f7d543ea08b204bfaf59",
+                "sha256:d0cfa263e85caea2cff57d8f917f9f51adae8e20b610e2b23de35b5b11ce691a",
+                "sha256:d3e1b65634b0e471d07ff86ec338819e2ef860689859ef4501ab7ac290431f9b",
+                "sha256:f85ba1ad15d446756b4ab5f3044731bf68b777f8f9ac9cdabd2425b97cd9c4e8"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.9'",
-            "version": "==25.9.0"
+            "markers": "python_version >= '3.10'",
+            "version": "==25.12.0"
         },
         "blinkcheck": {
             "hashes": [
@@ -227,11 +232,11 @@
         },
         "click": {
             "hashes": [
-                "sha256:9b9f285302c6e3064f4330c05f05b81945b2a39544279343e6e7c5f27a9baddc",
-                "sha256:e7b8232224eba16f4ebe410c25ced9f7875cb5f3263ffc93cc3e8da705e229c4"
+                "sha256:12ff4785d337a1bb490bb7e9c2b1ee5da3112e94a8622f26a6c77f5d2fc6842a",
+                "sha256:981153a64e25f12d547d3426c367a4857371575ee7ad18df2a6183ab0545b2a6"
             ],
             "markers": "python_version >= '3.10'",
-            "version": "==8.3.0"
+            "version": "==8.3.1"
         },
         "coverage": {
             "extras": [
@@ -360,11 +365,11 @@
         },
         "iniconfig": {
             "hashes": [
-                "sha256:3abbd2e30b36733fee78f9c7f7308f2d0050e88f0087fd25c2645f63c773e1c7",
-                "sha256:9deba5723312380e77435581c6bf4935c94cbfab9b1ed33ef8d238ea168eb760"
+                "sha256:c76315c77db068650d49c5b56314774a7804df16fee4402c1f19d6d15d8c4730",
+                "sha256:f631c04d2c48c52b84d0d0549c99ff3859c98df65b3101406327ecc7d53fbf12"
             ],
-            "markers": "python_version >= '3.8'",
-            "version": "==2.1.0"
+            "markers": "python_version >= '3.10'",
+            "version": "==2.3.0"
         },
         "isort": {
             "hashes": [
@@ -374,6 +379,88 @@
             "markers": "python_full_version >= '3.10.0'",
             "version": "==7.0.0"
         },
+        "librt": {
+            "hashes": [
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+                "sha256:ec72342cc4d62f38b25a94e28b9efefce41839aecdecf5e9627473ed04b7be16",
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+                "sha256:f79bc3595b6ed159a1bf0cdc70ed6ebec393a874565cab7088a219cca14da727",
+                "sha256:f7fa8beef580091c02b4fd26542de046b2abfe0aaefa02e8bcf68acb7618f2b3"
+            ],
+            "markers": "python_version >= '3.9'",
+            "version": "==0.7.4"
+        },
         "mccabe": {
             "hashes": [
                 "sha256:348e0240c33b60bbdf4e523192ef919f28cb2c3d7d5c7794f74009290f236325",
@@ -384,48 +471,48 @@
         },
         "mypy": {
             "hashes": [
-                "sha256:01199871b6110a2ce984bde85acd481232d17413868c9807e95c1b0739a58914",
-                "sha256:030c52d0ea8144e721e49b1f68391e39553d7451f0c3f8a7565b59e19fcb608b",
-                "sha256:06a398102a5f203d7477b2923dda3634c36727fa5c237d8f859ef90c42a9924b",
-                "sha256:07b8b0f580ca6d289e69209ec9d3911b4a26e5abfde32228a288eb79df129fcc",
-                "sha256:0e2785a84b34a72ba55fb5daf079a1003a34c05b22238da94fcae2bbe46f3544",
-                "sha256:1331eb7fd110d60c24999893320967594ff84c38ac6d19e0a76c5fd809a84c86",
-                "sha256:1379451880512ffce14505493bd9fe469e0697543717298242574882cf8cdb8d",
-                "sha256:20c02215a080e3a2be3aa50506c67242df1c151eaba0dcbc1e4e557922a26075",
-                "sha256:22a1748707dd62b58d2ae53562ffc4d7f8bcc727e8ac7cbc69c053ddc874d47e",
-                "sha256:22f27105f1525ec024b5c630c0b9f36d5c1cc4d447d61fe51ff4bd60633f47ac",
-                "sha256:25a9c8fb67b00599f839cf472713f54249a62efd53a54b565eb61956a7e3296b",
-                "sha256:33eca32dd124b29400c31d7cf784e795b050ace0e1f91b8dc035672725617e34",
-                "sha256:3ca30b50a51e7ba93b00422e486cbb124f1c56a535e20eff7b2d6ab72b3b2e37",
-                "sha256:448acd386266989ef11662ce3c8011fd2a7b632e0ec7d61a98edd8e27472225b",
-                "sha256:592ec214750bc00741af1f80cbf96b5013d81486b7bb24cb052382c19e40b428",
-                "sha256:5d6c838e831a062f5f29d11c9057c6009f60cb294fea33a98422688181fe2893",
-                "sha256:62f0e1e988ad41c2a110edde6c398383a889d95b36b3e60bcf155f5164c4fdce",
-                "sha256:664dc726e67fa54e14536f6e1224bcfce1d9e5ac02426d2326e2bb4e081d1ce8",
-                "sha256:6ca1e64b24a700ab5ce10133f7ccd956a04715463d30498e64ea8715236f9c9c",
-                "sha256:749b5f83198f1ca64345603118a6f01a4e99ad4bf9d103ddc5a3200cc4614adf",
-                "sha256:776bb00de1778caf4db739c6e83919c1d85a448f71979b6a0edd774ea8399341",
-                "sha256:7a780ca61fc239e4865968ebc5240bb3bf610ef59ac398de9a7421b54e4a207e",
-                "sha256:7ab28cc197f1dd77a67e1c6f35cd1f8e8b73ed2217e4fc005f9e6a504e46e7ba",
-                "sha256:7fb95f97199ea11769ebe3638c29b550b5221e997c63b14ef93d2e971606ebed",
-                "sha256:807d9315ab9d464125aa9fcf6d84fde6e1dc67da0b6f80e7405506b8ac72bc7f",
-                "sha256:8795a039bab805ff0c1dfdb8cd3344642c2b99b8e439d057aba30850b8d3423d",
-                "sha256:a2afc0fa0b0e91b4599ddfe0f91e2c26c2b5a5ab263737e998d6817874c5f7c8",
-                "sha256:a3c47adf30d65e89b2dcd2fa32f3aeb5e94ca970d2c15fcb25e297871c8e4764",
-                "sha256:a431a6f1ef14cf8c144c6b14793a23ec4eae3db28277c358136e79d7d062f62d",
-                "sha256:aa5e07ac1a60a253445797e42b8b2963c9675563a94f11291ab40718b016a7a0",
-                "sha256:c1eab0cf6294dafe397c261a75f96dc2c31bffe3b944faa24db5def4e2b0f77c",
-                "sha256:c2b9c7e284ee20e7598d6f42e13ca40b4928e6957ed6813d1ab6348aa3f47133",
-                "sha256:c3ad2afadd1e9fea5cf99a45a822346971ede8685cc581ed9cd4d42eaf940986",
-                "sha256:d6985ed057513e344e43a26cc1cd815c7a94602fb6a3130a34798625bc2f07b6",
-                "sha256:d8068d0afe682c7c4897c0f7ce84ea77f6de953262b12d07038f4d296d547074",
-                "sha256:d924eef3795cc89fecf6bedc6ed32b33ac13e8321344f6ddbf8ee89f706c05cb",
-                "sha256:ed4482847168439651d3feee5833ccedbf6657e964572706a2adb1f7fa4dfe2e",
-                "sha256:f9e171c465ad3901dc652643ee4bffa8e9fef4d7d0eece23b428908c77a76a66"
+                "sha256:016f2246209095e8eda7538944daa1d60e1e8134d98983b9fc1e92c1fc0cb8dd",
+                "sha256:022ea7279374af1a5d78dfcab853fe6a536eebfda4b59deab53cd21f6cd9f00b",
+                "sha256:06e6170bd5836770e8104c8fdd58e5e725cfeb309f0a6c681a811f557e97eac1",
+                "sha256:19d88bb05303fe63f71dd2c6270daca27cb9401c4ca8255fe50d1d920e0eb9ba",
+                "sha256:21761006a7f497cb0d4de3d8ef4ca70532256688b0523eee02baf9eec895e27b",
+                "sha256:28902ee51f12e0f19e1e16fbe2f8f06b6637f482c459dd393efddd0ec7f82045",
+                "sha256:2899753e2f61e571b3971747e302d5f420c3fd09650e1951e99f823bc3089dac",
+                "sha256:2abb24cf3f17864770d18d673c85235ba52456b36a06b6afc1e07c1fdcd3d0e6",
+                "sha256:34c81968774648ab5ac09c29a375fdede03ba253f8f8287847bd480782f73a6a",
+                "sha256:409088884802d511ee52ca067707b90c883426bd95514e8cfda8281dc2effe24",
+                "sha256:481daf36a4c443332e2ae9c137dfee878fcea781a2e3f895d54bd3002a900957",
+                "sha256:4b84a7a18f41e167f7995200a1d07a4a6810e89d29859df936f1c3923d263042",
+                "sha256:4f28f99c824ecebcdaa2e55d82953e38ff60ee5ec938476796636b86afa3956e",
+                "sha256:5f05aa3d375b385734388e844bc01733bd33c644ab48e9684faa54e5389775ec",
+                "sha256:7bcfc336a03a1aaa26dfce9fff3e287a3ba99872a157561cbfcebe67c13308e3",
+                "sha256:804bd67b8054a85447c8954215a906d6eff9cabeabe493fb6334b24f4bfff718",
+                "sha256:8bb5c6f6d043655e055be9b542aa5f3bdd30e4f3589163e85f93f3640060509f",
+                "sha256:a009ffa5a621762d0c926a078c2d639104becab69e79538a494bcccb62cc0331",
+                "sha256:a8174a03289288c1f6c46d55cef02379b478bfbc8e358e02047487cad44c6ca1",
+                "sha256:ab43590f9cd5108f41aacf9fca31841142c786827a74ab7cc8a2eacb634e09a1",
+                "sha256:b10e7c2cd7870ba4ad9b2d8a6102eb5ffc1f16ca35e3de6bfa390c1113029d13",
+                "sha256:b13cfdd6c87fc3efb69ea4ec18ef79c74c3f98b4e5498ca9b85ab3b2c2329a67",
+                "sha256:b64d987153888790bcdb03a6473d321820597ab8dd9243b27a92153c4fa50fd2",
+                "sha256:b7951a701c07ea584c4fe327834b92a30825514c868b1f69c30445093fdd9d5a",
+                "sha256:bdb12f69bcc02700c2b47e070238f42cb87f18c0bc1fc4cdb4fb2bc5fd7a3b8b",
+                "sha256:c35d298c2c4bba75feb2195655dfea8124d855dfd7343bf8b8c055421eaf0cf8",
+                "sha256:c608937067d2fc5a4dd1a5ce92fd9e1398691b8c5d012d66e1ddd430e9244376",
+                "sha256:c9a6538e0415310aad77cb94004ca6482330fece18036b5f360b62c45814c4ef",
+                "sha256:d8dfc6ab58ca7dda47d9237349157500468e404b17213d44fc1cb77bce532288",
+                "sha256:da4869fc5e7f62a88f3fe0b5c919d1d9f7ea3cef92d3689de2823fd27e40aa75",
+                "sha256:de759aafbae8763283b2ee5869c7255391fbc4de3ff171f8f030b5ec48381b74",
+                "sha256:e3157c7594ff2ef1634ee058aafc56a82db665c9438fd41b390f3bde1ab12250",
+                "sha256:e3f276d8493c3c97930e354b2595a44a21348b320d859fb4a2b9f66da9ed27ab",
+                "sha256:ee4c11e460685c3e0c64a4c5de82ae143622410950d6be863303a1c4ba0e36d6",
+                "sha256:f1235f5ea01b7db5468d53ece6aaddf1ad0b88d9e7462b86ef96fe04995d7247",
+                "sha256:f7cee03c9a2e2ee26ec07479f38ea9c884e301d42c6d43a19d20fb014e3ba925",
+                "sha256:f859fb09d9583a985be9a493d5cfc5515b56b08f7447759a0c5deaf68d80506e",
+                "sha256:ffcebe56eb09ff0c0885e750036a095e23793ba6c2e894e7e63f6d89ad51f22e"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.9'",
-            "version": "==1.18.2"
+            "version": "==1.19.1"
         },
         "mypy-extensions": {
             "hashes": [
@@ -453,11 +540,11 @@
         },
         "platformdirs": {
             "hashes": [
-                "sha256:70ddccdd7c99fc5942e9fc25636a8b34d04c24b335100223152c2803e4063312",
-                "sha256:e578a81bb873cbb89a41fcc904c7ef523cc18284b7e3b3ccf06aca1403b7ebd3"
+                "sha256:61d5cdcc6065745cdd94f0f878977f8de9437be93de97c1c12f853c9c0cdcbda",
+                "sha256:d03afa3963c806a9bed9d5125c8f4cb2fdaf74a55ab60e5d59b3fde758104d31"
             ],
             "markers": "python_version >= '3.10'",
-            "version": "==4.5.0"
+            "version": "==4.5.1"
         },
         "pluggy": {
             "hashes": [
@@ -477,21 +564,21 @@
         },
         "pylint": {
             "hashes": [
-                "sha256:06db6a1fda3cedbd7aee58f09d241e40e5f14b382fd035ed97be320f11728a84",
-                "sha256:6077ac21d01b7361eae6ed0f38d9024c02732fdc635d9e154d4fe6063af8ac56"
+                "sha256:63e06a37d5922555ee2c20963eb42559918c20bd2b21244e4ef426e7c43b92e0",
+                "sha256:d9b71674e19b1c36d79265b5887bf8e55278cbe236c9e95d22dc82cf044fdbd2"
             ],
             "index": "pypi",
             "markers": "python_full_version >= '3.10.0'",
-            "version": "==4.0.1"
+            "version": "==4.0.4"
         },
         "pytest": {
             "hashes": [
-                "sha256:86c0d0b93306b961d58d62a4db4879f27fe25513d4b969df351abdddb3c30e01",
-                "sha256:872f880de3fc3a5bdc88a11b39c9710c3497a547cfa9320bc3c5e62fbf272e79"
+                "sha256:711ffd45bf766d5264d487b917733b453d917afd2b0ad65223959f59089f875b",
+                "sha256:75186651a92bd89611d1d9fc20f0b4345fd827c41ccd5c299a868a05d70edf11"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.9'",
-            "version": "==8.4.2"
+            "markers": "python_version >= '3.10'",
+            "version": "==9.0.2"
         },
         "pytest-cov": {
             "hashes": [
@@ -504,11 +591,11 @@
         },
         "pytokens": {
             "hashes": [
-                "sha256:532d6421364e5869ea57a9523bf385f02586d4662acbcc0342afd69511b4dd43",
-                "sha256:74d4b318c67f4295c13782ddd9abcb7e297ec5630ad060eb90abf7ebbefe59f8"
+                "sha256:2f932b14ed08de5fcf0b391ace2642f858f1394c0857202959000b68ed7a458a",
+                "sha256:95b2b5eaf832e469d141a378872480ede3f251a5a5041b8ec6e581d3ac71bbf3"
             ],
             "markers": "python_version >= '3.8'",
-            "version": "==0.2.0"
+            "version": "==0.3.0"
         },
         "requests": {
             "hashes": [
@@ -544,11 +631,12 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:3fc47733c7e419d4bc3f6b3dc2b4f890bb743906a30d56ba4a5bfa4bbff92760",
-                "sha256:e6b01673c0fa6a13e374b50871808eb3bf7046c4b125b216f6bf1cc604cff0dc"
+                "sha256:c90f7a39f716c572c4e3e58509581ebd83f9b59cced005b7db7ad2d22b0db99f",
+                "sha256:cb9bcef5a4b345d5da5d145dc3e30834f58e8018828cbc724d30b4cb7d4d49f1"
             ],
-            "markers": "python_version >= '3.8'",
-            "version": "==2.5.0"
+            "index": "pypi",
+            "markers": "python_version >= '3.9'",
+            "version": "==2.6.0"
         }
     }
 }

ical2vdir/__init__.py

@@ -19,8 +19,8 @@ import argparse
 import datetime
 import logging
 import os
-import shutil
 import pathlib
+import shutil
 import sys
 import tempfile
 import typing
@@ -86,9 +86,11 @@ def _event_vdir_filename(event: icalendar.cal.Event) -> str:
     output_filename = str(event["UID"])
     if "RECURRENCE-ID" in event:
         recurrence_id = event["RECURRENCE-ID"]
-        assert isinstance(recurrence_id.dt, datetime.datetime), recurrence_id.dt
-
-        output_filename += "." + _datetime_basic_isoformat(recurrence_id.dt)
+        if isinstance(recurrence_id.dt, datetime.datetime):
+            output_filename += "." + _datetime_basic_isoformat(recurrence_id.dt)
+        else:
+            assert isinstance(recurrence_id.dt, datetime.date), vars(recurrence_id)
+            output_filename += "." + recurrence_id.dt.strftime("%Y%m%d")
     return output_filename + _VDIR_EVENT_FILE_EXTENSION
 
 

tests/cli_test.py

@@ -15,6 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+import datetime
 import io
 import logging
 import pathlib
@@ -60,6 +61,30 @@ def test__main_create_all(
     assert event["SUMMARY"] == "recurring"
 
 
+def test__main_create_all_recurrence_id_date(
+    caplog: _pytest.logging.LogCaptureFixture, tmp_path: pathlib.Path
+) -> None:
+    with pathlib.Path(__file__).parent.joinpath(
+        "resources", "nextcloud-recurring.ics"
+    ).open("rb") as calendar_file:
+        with unittest.mock.patch("sys.stdin", calendar_file), unittest.mock.patch(
+            "sys.argv", ["", "--output-dir", str(tmp_path)]
+        ), caplog.at_level(logging.WARNING):
+            ical2vdir._main()
+    created_item_paths = sorted(tmp_path.iterdir())
+    assert [p.name for p in created_item_paths] == [
+        "b0fea373-389b-48d5-b739-9de3e298f555.20260101.ics",
+        "b0fea373-389b-48d5-b739-9de3e298f555.20260201.ics",
+        "b0fea373-389b-48d5-b739-9de3e298f555.20260301.ics",
+    ]
+    assert not caplog.records
+    event = icalendar.cal.Event.from_ical(created_item_paths[1].read_bytes())
+    assert isinstance(event, icalendar.cal.Event)
+    assert event["UID"] == "b0fea373-389b-48d5-b739-9de3e298f555"
+    assert event["SUMMARY"] == "second"
+    assert event["RECURRENCE-ID"].dt == datetime.date(2026, 2, 1)
+
+
 def test__main_create_some(
     caplog: _pytest.logging.LogCaptureFixture,
     tmp_path: pathlib.Path,

tests/resources/nextcloud-recurring.ics

@@ -0,0 +1,56 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//SabreDAV//SabreDAV//EN
+X-WR-CALNAME:whatever
+X-APPLE-CALENDAR-COLOR:#00FF00
+REFRESH-INTERVAL;VALUE=DURATION:PT4H
+X-PUBLISHED-TTL:PT4H
+BEGIN:VTIMEZONE
+TZID:Europe/Vienna
+BEGIN:STANDARD
+TZNAME:CET
+TZOFFSETFROM:+0200
+TZOFFSETTO:+0100
+DTSTART:19961027T030000
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+END:STANDARD
+BEGIN:DAYLIGHT
+TZNAME:CEST
+TZOFFSETFROM:+0100
+TZOFFSETTO:+0200
+DTSTART:19810329T020000
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+END:DAYLIGHT
+END:VTIMEZONE
+BEGIN:VEVENT
+DTSTAMP:20260101T123456Z
+UID:b0fea373-389b-48d5-b739-9de3e298f555
+RECURRENCE-ID;VALUE=DATE:20260101
+SUMMARY:first
+DTSTART;VALUE=DATE:20260101
+DTEND;VALUE=DATE:20260102
+TRANSP:TRANSPARENT
+SEQUENCE:1
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20260101T123456Z
+UID:b0fea373-389b-48d5-b739-9de3e298f555
+RECURRENCE-ID;VALUE=DATE:20260201
+SUMMARY:second
+DTSTART;VALUE=DATE:20260201
+DTEND;VALUE=DATE:20260202
+TRANSP:TRANSPARENT
+SEQUENCE:1
+END:VEVENT
+BEGIN:VEVENT
+DTSTAMP:20260101T123456Z
+UID:b0fea373-389b-48d5-b739-9de3e298f555
+RECURRENCE-ID;VALUE=DATE:20260301
+SUMMARY:third
+DTSTART;VALUE=DATE:20260301
+DTEND;VALUE=DATE:20260302
+TRANSP:TRANSPARENT
+SEQUENCE:2
+END:VEVENT
+END:VCALENDAR