What time does the sun rise in Singapore in January?

On January 1 it rises at 07:07 and on day 31 at 07:16, always in local time.

How long is the day in Singapore in January?

Around 12 h 03 min at mid-month.

The sun, month by month

Sunrise and sunset in Singapore in January

On January 1 in Singapore the sun rises at 07:07 and sets at 19:10; on day 31 it rises at 07:16 and sets at 19:20. Over the month the day barely changes.

Sunrise07:13

Sunset19:16

Golden hour18:46–19:16

Day length12 h 03 min

Day by day

All times are local to Singapore. Dawn and dusk mark civil twilight.

Day	Dawn	Sunrise	Sunset	Dusk	Day length
1	06:45	07:07	19:10	19:32	12 h 03 min
2	06:45	07:08	19:10	19:33	12 h 03 min
3	06:46	07:08	19:11	19:33	12 h 03 min
4	06:46	07:08	19:11	19:34	12 h 03 min
5	06:46	07:09	19:12	19:34	12 h 03 min
6	06:47	07:09	19:12	19:34	12 h 03 min
7	06:47	07:10	19:12	19:35	12 h 03 min
8	06:48	07:10	19:13	19:35	12 h 03 min
9	06:48	07:10	19:13	19:36	12 h 03 min
10	06:49	07:11	19:14	19:36	12 h 03 min
11	06:49	07:11	19:14	19:36	12 h 03 min
12	06:49	07:12	19:14	19:37	12 h 03 min
13	06:50	07:12	19:15	19:37	12 h 03 min
14	06:50	07:12	19:15	19:37	12 h 03 min
15	06:50	07:13	19:16	19:38	12 h 03 min
16	06:51	07:13	19:16	19:38	12 h 03 min
17	06:51	07:13	19:16	19:38	12 h 03 min
18	06:51	07:14	19:17	19:39	12 h 03 min
19	06:52	07:14	19:17	19:39	12 h 03 min
20	06:52	07:14	19:17	19:39	12 h 03 min
21	06:52	07:14	19:18	19:40	12 h 03 min
22	06:53	07:15	19:18	19:40	12 h 03 min
23	06:53	07:15	19:18	19:40	12 h 03 min
24	06:53	07:15	19:18	19:40	12 h 03 min
25	06:53	07:15	19:19	19:41	12 h 03 min
26	06:54	07:16	19:19	19:41	12 h 03 min
27	06:54	07:16	19:19	19:41	12 h 03 min
28	06:54	07:16	19:19	19:41	12 h 03 min
29	06:54	07:16	19:20	19:41	12 h 03 min
30	06:55	07:16	19:20	19:42	12 h 03 min
31	06:55	07:16	19:20	19:42	12 h 04 min

Approximate astronomical values: they can shift a minute or two from year to year.

What about vitamin D in January?

In January, the typical synthesis window in Singapore runs from 10:00 to 18:00: with medium skin and a t-shirt, ~4 min at the best moment is enough.

See the Singapore vitamin D guide