ADT starts at 2:00 AM of the second Sunday of March each year, turn the clock one hour forward to 3:00 AM at that time, and ADT ends at 2:00 AM of the first Sunday in November each year, turn the clock one hour back to 1:00 AM at that time.
Year | Start Date | End Date |
2021 | 2:00 AM, March 14, 2021 | 2:00 AM, November 7, 2021 |
2022 | 2:00 AM, March 13, 2022 | 2:00 AM, November 6, 2022 |
2023 | 2:00 AM, March 12, 2023 | 2:00 AM, November 5, 2023 |
2024 | 2:00 AM, March 10, 2024 | 2:00 AM, November 3, 2024 |
2025 | 2:00 AM, March 9, 2025 | 2:00 AM, November 2, 2025 |
2026 | 2:00 AM, March 8, 2026 | 2:00 AM, November 1, 2026 |