New York to Boulder time converter

Boulder is 2 hours behind New York. When it is 9:00 AM in New York, it is 7:00 AM in Boulder.

New York EDT

Sunday, October 18, 2026

Boulder MDT

Sunday, October 18, 2026

New York
United States
Sun, Oct 18
EDTUTC-4
Boulder
Colorado, United States
Sun, Oct 18
MDTUTC-6-2h
Finding your time zone…
Shared working hours (9:00–18:00)

New York to Boulder conversion table

Every hour of today in New York and the matching time in Boulder. Light rows are typical working hours (9:00–18:00).

New YorkBoulder
12:00 AM10:00 PM−1 day
1:00 AM11:00 PM−1 day
2:00 AM12:00 AM
3:00 AM1:00 AM
4:00 AM2:00 AM
5:00 AM3:00 AM
6:00 AM4:00 AM
7:00 AM5:00 AM
8:00 AM6:00 AM
9:00 AM7:00 AM
10:00 AM8:00 AM
11:00 AM9:00 AM
12:00 PM10:00 AM
1:00 PM11:00 AM
2:00 PM12:00 PM
3:00 PM1:00 PM
4:00 PM2:00 PM
5:00 PM3:00 PM
6:00 PM4:00 PM
7:00 PM5:00 PM
8:00 PM6:00 PM
9:00 PM7:00 PM
10:00 PM8:00 PM
11:00 PM9:00 PM

Best time to call or meet

Both sides are at work from 11:00 AM – 6:00 PM in New York (9:00 AM – 4:00 PM in Boulder).

Daylight saving time and the difference

The difference changes during the year because New York and Boulder switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: -2h
  • Nov 1, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Mar 14, 2027: -3h
  • Mar 14, 2027 – Oct 18, 2027: -2h

Distance

New York and Boulder are 2,636 km (1,638 miles) apart in a straight line.

More conversions

Boulder to New YorkNew York to LondonNew York to Los AngelesNew York to ChicagoNew York to TorontoNew York to São PauloNew York to ParisNew York to BerlinNew York to MoscowNew York to DubaiNew York to New DelhiNew York to BangkokNew York to Singapore
London to BoulderLos Angeles to BoulderChicago to BoulderToronto to BoulderSão Paulo to BoulderParis to BoulderBerlin to BoulderMoscow to BoulderDubai to BoulderNew Delhi to BoulderBangkok to BoulderSingapore to Boulder

Questions and answers

What is the time difference between New York and Boulder?

Boulder is 2 hours behind New York.

What time is it in Boulder when it is 9 AM in New York?

When it is 9:00 AM in New York, it is 7:00 AM in Boulder.

When is the best time to call Boulder from New York?

Both sides are at work from 11:00 AM – 6:00 PM in New York (9:00 AM – 4:00 PM in Boulder).

Does the time difference between New York and Boulder change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.