Recurring Pattern works incorrect in DST timezone

[chuckn0rris]

Forum post

In advanced demo use calendar

{
  "success" : true,
  "project" : {
    "calendar"     : "general",
    "startDate"    : "2023-01-14",
    "hoursPerDay"  : 24,
    "daysPerWeek"  : 5,
    "daysPerMonth" : 20
  },
  "calendars" : {
    "rows" : [
      {
        "id"        : "general",
        "name"      : "General",
        "unspecifiedTimeIsWorking": false,
        "intervals" : [
          {
            "recurrentStartDate": "at 10:00 AM on Monday and Tuesday every 2 week starting on the 6 week in 2022 through 2024",
            "recurrentEndDate": "at 12:00 PM on Monday and Tuesday every 2 week starting on the 6 week in 2022 through 2024",
            "isWorking"          : true
          }
        ]
      }
    ]
  },
  "tasks" : {
    "rows" : [{
      "id": "c18c52bd-8a90-ec11-b400-00224818460e-5e3a87db-140e-ed11-b83d-00224818afe5",
      "eventType": "calendarrules",
      "name": "Easter Monday 2022",
      "resourceId": "5e3a87db-140e-ed11-b83d-00224818afe5",
      "startDate": "2022-04-18",
      "endDate": "2022-04-19",
      "showInTimeline": true,
      "duration": 1,
      "durationUnit": "hours",
      "sessionId": null,
      "appointmentId": null,
      "eventColor": "#FF33CC",
      "sessionStatusId": null,
      "repeatPattern": null,
      "allDay": true,
      "ignoreResourceCalendar": false,
      "CRMBaseUrl": null,
      "CRMFullUrl": ""
  }]
  },
  "dependencies" : {
    "rows" : [ ]
  },
  "resources" : {
    "rows" : [
      {
        "id": "5e3a87db-140e-ed11-b83d-00224818afe5",
        "name": "Mo Clade 3",
        "calendar": "c-5e3a87db-140e-ed11-b83d-00224818afe5",
        "role": null,
        "eventColor": null,
        "dailyMaxBookHoursWeekday": 10,
        "dailyMaxBookHoursWeekend": 10,
        "acceptNewClient": true,
        "doubleBookable": false,
        "scheduleNotes": "",
        "teamId": null,
        "location": "Bathurst"
    }
    ]
  }
}

Set timezone to Australia. See working periods disappear after march and showed again in NovemberOctober

Screen.Recording.2023-05-26.at.18.21.31.mov