New York to O'Fallon time converter

O'Fallon is 1 hour behind New York. When it is 9:00 AM in New York, it is 8:00 AM in O'Fallon.

New York EDT

Wednesday, October 21, 2026

O'Fallon CDT

Wednesday, October 21, 2026

New York
United States
Wed, Oct 21
EDTUTC-4
O'Fallon
Illinois, United States
Wed, Oct 21
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

New York to O'Fallon conversion table

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

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

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in New York (9:00 AM – 5:00 PM in O'Fallon).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Nov 1, 2026: ±0
  • Nov 1, 2026 – Mar 14, 2027: -1h
  • Mar 14, 2027 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 21, 2027: -1h

Distance

New York and O'Fallon are 1,380 km (857 miles) apart in a straight line.

More conversions

O'Fallon 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 O'FallonLos Angeles to O'FallonChicago to O'FallonToronto to O'FallonSão Paulo to O'FallonParis to O'FallonBerlin to O'FallonMoscow to O'FallonDubai to O'FallonNew Delhi to O'FallonBangkok to O'FallonSingapore to O'Fallon

Questions and answers

What is the time difference between New York and O'Fallon?

O'Fallon is 1 hour behind New York.

What time is it in O'Fallon when it is 9 AM in New York?

When it is 9:00 AM in New York, it is 8:00 AM in O'Fallon.

When is the best time to call O'Fallon from New York?

Both sides are at work from 10:00 AM – 6:00 PM in New York (9:00 AM – 5:00 PM in O'Fallon).

Does the time difference between New York and O'Fallon change?

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