Current Time in New Castle, United States
United States · MDT
New Castle Daylight TimeGMT -06Tue, Sep 8
12AM3AM6AM9AM12PM3PM6PM9PM
MST automatically adjusted to MDT time zone, that is in use
UTC · UTC
Coordinated Universal TimeGMT +00Wed, Sep 9
12AM3AM6AM9AM12PM3PM6PM9PM
Looking for a different New Castle? Other places with this name in United States: New Castle (PA), New Castle (IN), New Castle (DE), New Castle (NH), New Castle (KY), New Castle (VA).
Time zone in New Castle, United States
New Castle, United States uses the America/Denver time zone. Its standard-time UTC offset is UTC-7, and during daylight saving time the offset is UTC-6. In January the local offset is UTC-7; in July it is UTC-6.
New Castle, United States: population 4,669 · coordinates 39.57276°, -107.53644°.
Clock changes in New Castle (2026)
- On Sunday, March 8, 2026, clocks go forward 1 hour (UTC-7 → UTC-6).
- On Sunday, November 1, 2026, clocks go back 1 hour (UTC-6 → UTC-7).
Time difference between New Castle and major cities
Differences change with the seasons because daylight saving schedules differ by region — both January and July are shown. The last column shows the local time elsewhere when it is 9:00 AM in New Castle in January.
| City | In January | In July | 9:00 AM in New Castle = |
|---|---|---|---|
| New York | 2 hours behind | 2 hours behind | 11:00 AM |
| London | 7 hours behind | 7 hours behind | 4:00 PM |
| Tokyo | 16 hours behind | 15 hours behind | 1:00 AM (next day) |
| Sydney | 18 hours behind | 16 hours behind | 3:00 AM (next day) |
| Dubai | 11 hours behind | 10 hours behind | 8:00 PM |