Time difference between New York and Ulaan-Uul

+12 hUlaan-Uul is 12 hours ahead of New York.

New YorkUnited States

EDTUTC−4

Ulaan-UulMongolia

UTC+8UTC+8

Observatory log

New York and Ulaan-Uul, compared

01Difference now

Ulaan-Uul is 12 hours ahead of New York.

New York: EDT (UTC−4) · Ulaan-Uul: UTC+8 (UTC+8)

Next changeFrom 1 November 2026: Ulaan-Uul is 13 hours ahead of New York.

02Through 2026–2027

1 January 2026 – 8 March 2026+13 h
8 March 2026 – 1 November 2026+12 h
1 November 2026 – 14 March 2027+13 h
14 March 2027 – 7 November 2027+12 h
7 November 2027 – 31 December 2027+13 h

Difference of Ulaan-Uul from New York. It changes on the days either place changes its clocks (dates local to that place).

03Shared working hours

Their working days never overlap.

Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.

04Best time to meet

09:00–10:00 in New York = 21:00–22:00 in Ulaan-Uul

No shared office hours: this is early or late for one side (Mon–Fri).

Also possible: Mon–Thu: 21:00–22:00 in New York = 09:00–10:00 in Ulaan-Uul (tomorrow) · 1 h.

05Weekend

New York: Saturday and Sunday

Ulaan-Uul: Saturday and Sunday

24 hours

A day in New York, in Ulaan-Uul

Each hour of 19 October 2026 in New York and the same moment in Ulaan-Uul
New York	Ulaan-Uul	Working hours, evening, night or weekend in each place
00:00	12:00
01:00	13:00
02:00	14:00
03:00	15:00
04:00	16:00
05:00	17:00
06:00	18:00
07:00	19:00
08:00	20:00
09:00	21:00
10:00	22:00
11:00	23:00
12:00	00:00Tomorrow
13:00	01:00Tomorrow
14:00	02:00Tomorrow
15:00	03:00Tomorrow
16:00	04:00Tomorrow
17:00	05:00Tomorrow
18:00	06:00Tomorrow
19:00	07:00Tomorrow
20:00	08:00Tomorrow
21:00	09:00Tomorrow
22:00	10:00Tomorrow
23:00	11:00Tomorrow

Working hoursEarly or eveningNightWeekend

Plan a meeting: New York and Ulaan-Uul

More time differences with New York

Questions

Asked about New York and Ulaan-Uul

What is the time difference between New York and Ulaan-Uul?

Ulaan-Uul is 12 hours ahead of New York. This holds until 1 November 2026; then Ulaan-Uul is 13 hours ahead of New York.

What is the best time for a call between New York and Ulaan-Uul?

No shared office hours. The least awkward windows, early or late for one side: Mon–Fri: 09:00–10:00 in New York = 21:00–22:00 in Ulaan-Uul · 1 h; Mon–Thu: 21:00–22:00 in New York = 09:00–10:00 in Ulaan-Uul (tomorrow) · 1 h.

When does the time difference between New York and Ulaan-Uul change?

In the next 12 months it changes on: 1 November 2026 (+13 h); 14 March 2027 (+12 h).