Singapore time to Jakarta time
Jakarta is 1 hour behind Singapore all year (Singapore GMT+8/UTC+08:00 in summer; Jakarta GMT+7/UTC+07:00). Enter a Singapore time below to convert it, or leave it blank to see the current time in both cities.
How to use the Singapore to Jakarta time
- Type a Singapore time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the Jakarta time and the working-hours table.
Time difference between Singapore and Jakarta
Jakarta is 1 hour behind Singapore all year. Neither city changes its clocks, so the difference is the same all year. Singapore uses Asia/Singapore time (UTC+08:00 in January, UTC+08:00 in July); Jakarta uses Asia/Jakarta (UTC+07:00 in January, UTC+07:00 in July).
Working week in Singapore and Jakarta
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.
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.
Quick conversion table (summer difference)
| Singapore | Jakarta |
|---|---|
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 12:00 | 11:00 |
| 14:00 | 13:00 |
| 16:00 | 15:00 |
| 18:00 | 17:00 |
| 20:00 | 19:00 |
| 22:00 | 21:00 |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Singapore and Jakarta
Within normal office hours (09:00–18:00) in both cities: 10:00–17:00 Singapore 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 Jakarta to Singapore, or the general time zone converter.
Frequently asked questions
How many hours ahead is Jakarta from Singapore?
Jakarta is 1 hour behind Singapore all year.
When it is 12:00 noon in Singapore, what time is it in Jakarta?
11:00 in summer (the same or previous day); 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.