Time difference between San Juan and Singapore
Singapore (UTC+08:00, GMT+8) is 12h ahead of San Juan (UTC-04:00, AST). There are no overlapping 9–5 working hours between San Juan and Singapore.
Daylight saving time and clock changes
| City | Zone | Current offset | DST now | Next clock change |
|---|---|---|---|---|
| San Juan | America/Puerto_Rico | UTC-04:00 · AST | Not observed | No clock change scheduled |
| Singapore | Asia/Singapore | UTC+08:00 · GMT+8 | Not observed | No clock change scheduled |
Neither city changes its clocks, so this difference stays the same all year.
Hour by hour comparison
| San Juan | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Singapore | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 |
There are no overlapping 9–5 working hours between San Juan and Singapore.
Both cities on the map
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