Observatory log
New York and Guines, compared
- 01Difference now
New York and Guines have the same time.
New York: EDT (UTC−4) · Guines: CDT (UTC−4)
Next changeFrom 1 November 2026: Guines is 1 hour behind New York.
- 02Through 2026–2027
- 1 January 2026 – 8 March 2026Same time
- 8 March 2026 – 8 March 2026+1 h
- 8 March 2026 – 1 November 2026Same time
- 1 November 2026 – 1 November 2026−1 h
- 1 November 2026 – 14 March 2027Same time
- 14 March 2027 – 14 March 2027+1 h
- 14 March 2027 – 7 November 2027Same time
- 7 November 2027 – 7 November 2027−1 h
- 7 November 2027 – 31 December 2027Same time
Difference of Guines from New York. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
- Mon–Fri: 09:00–17:00 in New York = 09:00–17:00 in Guines · 8 h
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
09:00–17:00 in New York = 09:00–17:00 in Guines
Inside both working days (Mon–Fri).
- 05Weekend
New York: Saturday and Sunday
Guines: Saturday and Sunday
24 hours
A day in New York, in Guines
| New York | Guines | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 00:00 | |
| 01:00 | 01:00 | |
| 02:00 | 02:00 | |
| 03:00 | 03:00 | |
| 04:00 | 04:00 | |
| 05:00 | 05:00 | |
| 06:00 | 06:00 | |
| 07:00 | 07:00 | |
| 08:00 | 08:00 | |
| 09:00 | 09:00 | |
| 10:00 | 10:00 | |
| 11:00 | 11:00 | |
| 12:00 | 12:00 | |
| 13:00 | 13:00 | |
| 14:00 | 14:00 | |
| 15:00 | 15:00 | |
| 16:00 | 16:00 | |
| 17:00 | 17:00 | |
| 18:00 | 18:00 | |
| 19:00 | 19:00 | |
| 20:00 | 20:00 | |
| 21:00 | 21:00 | |
| 22:00 | 22:00 | |
| 23:00 | 23:00 |
Working hoursEarly or eveningNightWeekend
Questions
Asked about New York and Guines
What is the time difference between New York and Guines?
New York and Guines have the same time. This holds until 1 November 2026; then Guines is 1 hour behind New York.
What is the best time for a call between New York and Guines?
Inside both working days: Mon–Fri: 09:00–17:00 in New York = 09:00–17:00 in Guines · 8 h.
When does the time difference between New York and Guines change?
In the next 12 months it changes on: 1 November 2026 (−1 h); 1 November 2026 (Same time); 14 March 2027 (+1 h); 14 March 2027 (Same time).