America/Thule time zone

01Abbreviations

• ASTUTC−4 · standard time
• ADTUTC−3 · daylight saving time

02Offsets in 2026

1. 31 December 2025 – 8 March 2026UTC−4AST
2. 8 March 2026 – 1 November 2026UTC−3ADT
3. 1 November 2026 – 31 December 2026UTC−4AST

03Clock changes 2026–2027

• Sunday, 8 March 2026 at 02:00: clocks go forward 1 hour to 03:00 (AST → ADT) · past
• Sunday, 1 November 2026 at 02:00: clocks go back 1 hour to 01:00 (ADT → AST)
• Sunday, 14 March 2027 at 02:00: clocks go forward 1 hour to 03:00 (AST → ADT)
• Sunday, 7 November 2027 at 02:00: clocks go back 1 hour to 01:00 (ADT → AST)

04Countries

• Greenland

05Cities

Thule

2 more places on this zone.

06Also known as

No other names.

Older or linked IANA names that point to this zone; software may still report them.

Time difference between America/Thule and major cities, live

City	Local time	DifferenceDiff.
New York		−1 h
Los Angeles		−4 h
London		+4 h
Paris		+5 h
Dubai		+7 h
Mumbai		+8 h 30 min
Singapore		+11 h
Hong Kong		+11 h
Tokyo		+12 h
Sydney		+14 h

All time zones Daylight saving time