Pematangsiantar on 15 October 2026: sunrise 06:08, sunset 18:11, day length 12 h 3 min.
| Fact | Value |
|---|---|
| Time zone | Asia/Jakarta |
| Offset | UTC+7 |
| Region | North Sumatra |
| Latitude | 2.9595 |
| Longitude | 99.0687 |
| Population | 279,198 |
Pematangsiantar has no clock change scheduled in the next year. January and July both use UTC+7.
| Fact | Value |
|---|---|
| Longest day | 21 June 2026, 12 h 18 min |
| Shortest day | 22 December 2026, 11 h 57 min |
| Earliest sunrise | 06:06 on 29 October 2026 |
| Latest sunset | 18:38 on 17 February 2026 |
| Golden hour on the longest day | 21 June morning 06:16 to 06:46, evening 18:04 to 18:34 |
| Date | Holiday |
|---|---|
| 25 December 2026 | Hari Raya Natal |
| 1 January 2027 | Hari tahun baru |
| 5 January 2027 | Maulid Nabi Muhammad |
| City | 09:00 to 17:00 |
|---|---|
| London | Pematangsiantar 15:00 to 17:00; London 09:00 to 11:00 |
| New York | Pematangsiantar and New York have no hour that is 09:00 to 17:00 in both cities. |