Jakarta time to Singapore time
Singapore is 1 hour ahead of Jakarta all year (Jakarta GMT+7/UTC+07:00 in summer; Singapore GMT+8/UTC+08:00). Enter a Jakarta time below to convert it, or leave it blank to see the current time in both cities.
How to use the Jakarta to Singapore time
- Type a Jakarta time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the Singapore time and the working-hours table.
Time difference between Jakarta and Singapore
Singapore is 1 hour ahead of Jakarta all year. Neither city changes its clocks, so the difference is the same all year. Jakarta uses Asia/Jakarta time (UTC+07:00 in January, UTC+07:00 in July); Singapore uses Asia/Singapore (UTC+08:00 in January, UTC+08:00 in July).
Working week in Jakarta and Singapore
Jakarta: Western Indonesia Time, UTC+7 all year (Indonesia spans three zones). Office hours 08:00–17:00 with a Friday prayer break; weekend Saturday–Sunday.
Singapore: Singapore Standard Time, UTC+8 all year, the same clock as Hong Kong, Beijing, Perth, Manila and Kuala Lumpur. Office hours 09:00–18:00, weekend Saturday–Sunday.
Quick conversion table (summer difference)
| Jakarta | Singapore |
|---|---|
| 08:00 | 09:00 |
| 09:00 | 10:00 |
| 10:00 | 11:00 |
| 12:00 | 13:00 |
| 14:00 | 15:00 |
| 16:00 | 17:00 |
| 18:00 | 19:00 |
| 20:00 | 21:00 |
| 22:00 | 23:00 |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Jakarta and Singapore
Within normal office hours (09:00–18:00) in both cities: 9:00–16:00 Jakarta time. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See Singapore to Jakarta, or the general time zone converter.
Frequently asked questions
How many hours ahead is Singapore from Jakarta?
Singapore is 1 hour ahead of Jakarta all year.
When it is 12:00 noon in Jakarta, what time is it in Singapore?
13:00 in summer (); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
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Last updated 2026-09-23.