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31,574 dates · 13 categories

Observances · Clock changes

Daylight saving time starts (US)

Sun, March 14, 2021, 2:00 am CT · US · Computed (rule)

6 yr ago

Source

Clocks go forward one hour at 2:00 am local time.

Every year

Mar 8, 2020 · 02:00Daylight saving time starts (US)An event.7 yr agoNIST, computedDetails →
Mar 14, 2021 · 02:00Daylight saving time starts (US)An event.6 yr agoNIST, computed
Mar 13, 2022 · 02:00Daylight saving time starts (US)An event.5 yr agoNIST, computedDetails →Mar 12, 2023 · 02:00Daylight saving time starts (US)An event.4 yr agoNIST, computedDetails →Mar 10, 2024 · 02:00Daylight saving time starts (US)An event.3 yr agoNIST, computedDetails →Mar 9, 2025 · 02:00Daylight saving time starts (US)An event.2 yr agoNIST, computedDetails →Mar 8 · 02:00Daylight saving time starts (US)An event.8 mo agoNIST, computedDetails →Mar 14, 2027 · 02:00Daylight saving time starts (US)An event.in 4 moNIST, computedDetails →Mar 12, 2028 · 02:00Daylight saving time starts (US)An event.in 16 moNIST, computedDetails →Mar 11, 2029 · 02:00Daylight saving time starts (US)An event.in 2 yrNIST, computedDetails →Mar 10, 2030 · 02:00Daylight saving time starts (US)An event.in 3 yrNIST, computedDetails →
Source, method and history
Source
NIST
How we know
Rule: second Sunday in March (15 U.S.C. 260a, Energy Policy Act of 2005).
Recurs
annual
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Changes
  • 2026-09-25: added to 2021-03-14