Observatory log
New York and Datong, compared
- 01Difference now
Datong is 12 hours ahead of New York.
New York: EDT (UTC−4) · Datong: CST (UTC+8)
Next changeFrom 1 November 2026: Datong 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 Datong 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 Datong
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 Datong (tomorrow) · 1 h.
- 05Weekend
New York: Saturday and Sunday
Datong: Saturday and Sunday
24 hours
A day in New York, in Datong
| New York | Datong | 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
Questions
Asked about New York and Datong
What is the time difference between New York and Datong?
Datong is 12 hours ahead of New York. This holds until 1 November 2026; then Datong is 13 hours ahead of New York.
What is the best time for a call between New York and Datong?
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 Datong · 1 h; Mon–Thu: 21:00–22:00 in New York = 09:00–10:00 in Datong (tomorrow) · 1 h.
When does the time difference between New York and Datong change?
In the next 12 months it changes on: 1 November 2026 (+13 h); 14 March 2027 (+12 h).