Observatory log
Singapore and Arak, compared
- 01Difference now
Arak is 4 hours 30 minutes behind Singapore.
Singapore: UTC+8 (UTC+8) · Arak: UTC+3:30 (UTC+3:30)
- 02Through 2026–2027
The difference stays the same all year.
- 1 January 2026 – 31 December 2027−4 h 30 min
Difference of Arak from Singapore. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
- Mon–Thu: 13:30–17:00 in Singapore = 09:00–12:30 in Arak · 3 h 30 min
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
13:30–17:00 in Singapore = 09:00–12:30 in Arak
Inside both working days (Mon–Thu).
- 05Weekend
Singapore: Saturday and Sunday
Arak: Friday
24 hours
A day in Singapore, in Arak
| Singapore | Arak | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 19:30Yesterday | |
| 01:00 | 20:30Yesterday | |
| 02:00 | 21:30Yesterday | |
| 03:00 | 22:30Yesterday | |
| 04:00 | 23:30Yesterday | |
| 05:00 | 00:30 | |
| 06:00 | 01:30 | |
| 07:00 | 02:30 | |
| 08:00 | 03:30 | |
| 09:00 | 04:30 | |
| 10:00 | 05:30 | |
| 11:00 | 06:30 | |
| 12:00 | 07:30 | |
| 13:00 | 08:30 | |
| 14:00 | 09:30 | |
| 15:00 | 10:30 | |
| 16:00 | 11:30 | |
| 17:00 | 12:30 | |
| 18:00 | 13:30 | |
| 19:00 | 14:30 | |
| 20:00 | 15:30 | |
| 21:00 | 16:30 | |
| 22:00 | 17:30 | |
| 23:00 | 18:30 |
Working hoursEarly or eveningNightWeekend
Questions
Asked about Singapore and Arak
What is the time difference between Singapore and Arak?
Arak is 4 hours 30 minutes behind Singapore. The difference stays the same all year.
What is the best time for a call between Singapore and Arak?
Inside both working days: Mon–Thu: 13:30–17:00 in Singapore = 09:00–12:30 in Arak · 3 h 30 min.
When does the time difference between Singapore and Arak change?
It does not change in the next 12 months: Singapore and Arak either keep the same time all year or change their clocks on the same dates.