Sunrise and Sunset times in Son La, Vietnam 
Today:
 Sunrise: 06:21:41
|
 Sunset: 18:10:05
|
Day Length: 11h 48m 24s
Time zone: Asia/Ho_Chi_Minh, UTC +7 h.
Latitude: 21.328, Longitude: 103.91
Son La
Sơn La, Vietnam 
19 054 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2026-Mar-01, Sunday | 06:24:56 | 12:16:43 | 18:08:30 | 11h 43m 34s |
| 2026-Mar-02, Monday | 06:24:08 | 12:16:31 | 18:08:54 | 11h 44m 46s |
| 2026-Mar-03, Tuesday | 06:23:20 | 12:16:19 | 18:09:18 | 11h 45m 58s |
| 2026-Mar-04, Wednesday | 06:22:30 | 12:16:06 | 18:09:41 | 11h 47m 11s |
| 2026-Mar-05, Thursday | 06:21:41 | 12:15:53 | 18:10:05 | 11h 48m 24s |
| 2026-Mar-06, Friday | 06:20:51 | 12:15:39 | 18:10:27 | 11h 49m 36s |
| 2026-Mar-07, Saturday | 06:20:00 | 12:15:25 | 18:10:50 | 11h 50m 50s |
| 2026-Mar-08, Sunday | 06:19:09 | 12:15:11 | 18:11:12 | 11h 52m 3s |
| 2026-Mar-09, Monday | 06:18:17 | 12:14:56 | 18:11:34 | 11h 53m 17s |
| 2026-Mar-10, Tuesday | 06:17:25 | 12:14:41 | 18:11:56 | 11h 54m 31s |
| 2026-Mar-11, Wednesday | 06:16:33 | 12:14:25 | 18:12:17 | 11h 55m 44s |
| 2026-Mar-12, Thursday | 06:15:40 | 12:14:09 | 18:12:38 | 11h 56m 58s |
| 2026-Mar-13, Friday | 06:14:47 | 12:13:53 | 18:12:59 | 11h 58m 12s |
| 2026-Mar-14, Saturday | 06:13:54 | 12:13:37 | 18:13:19 | 11h 59m 25s |
| 2026-Mar-15, Sunday | 06:13:00 | 12:13:20 | 18:13:40 | 12h 0m 40s |
| 2026-Mar-16, Monday | 06:12:06 | 12:13:03 | 18:14:00 | 12h 1m 54s |
| 2026-Mar-17, Tuesday | 06:11:12 | 12:12:46 | 18:14:20 | 12h 3m 8s |
| 2026-Mar-18, Wednesday | 06:10:18 | 12:12:29 | 18:14:39 | 12h 4m 21s |
| 2026-Mar-19, Thursday | 06:09:24 | 12:12:11 | 18:14:59 | 12h 5m 35s |
| 2026-Mar-20, Friday | 06:08:29 | 12:11:54 | 18:15:18 | 12h 6m 49s |
| 2026-Mar-21, Saturday | 06:07:34 | 12:11:36 | 18:15:37 | 12h 8m 3s |
| 2026-Mar-22, Sunday | 06:06:39 | 12:11:18 | 18:15:57 | 12h 9m 18s |
| 2026-Mar-23, Monday | 06:05:44 | 12:11:00 | 18:16:16 | 12h 10m 32s |
| 2026-Mar-24, Tuesday | 06:04:49 | 12:10:42 | 18:16:35 | 12h 11m 46s |
| 2026-Mar-25, Wednesday | 06:03:54 | 12:10:24 | 18:16:53 | 12h 12m 59s |
| 2026-Mar-26, Thursday | 06:02:59 | 12:10:06 | 18:17:12 | 12h 14m 13s |
| 2026-Mar-27, Friday | 06:02:04 | 12:09:48 | 18:17:31 | 12h 15m 27s |
| 2026-Mar-28, Saturday | 06:01:09 | 12:09:30 | 18:17:50 | 12h 16m 41s |
| 2026-Mar-29, Sunday | 06:00:15 | 12:09:12 | 18:18:08 | 12h 17m 53s |
| 2026-Mar-30, Monday | 05:59:20 | 12:08:53 | 18:18:27 | 12h 19m 7s |
| 2026-Mar-31, Tuesday | 05:58:25 | 12:08:36 | 18:18:46 | 12h 20m 21s |
Day length in Son La during the year on the chart:
Son La on Vietnam map:
Largest populated areas in Vietnam
Ho Chi Minh City (Hồ Chí Minh), Hanoi (Hà Nội), Haiphong (Hải Phòng), Can Tho (Cần Thơ), Quang Ha (Quảng Nam), Hue (Thừa Thiên-Huế), Quy Nhon (Bình Định), Bien Hoa (Đồng Nai), Vinh (Nghệ An), Thai Nguyen (Thái Nguyên), Nha Trang (Khánh Hòa), Ca Mau (Cà Mau), Long Xuyen (An Giang), Viet Tri (Phú Thọ), Buon Ma Thuot (Đắk Lắk), Phan Thiet (Bình Thuận), Rach Gia (Kiến Giang), Soc Trang (Sóc Trăng), Ap Da Loi (Lâm Đồng), Quang Ngai (Quảng Ngãi), Vung Tau (Bà Rịa-Vũng Tàu), Thu Dau Mot (Bình Dương), Nam Dinh (Nam Định), Bac Lieu (Bạc Liêu), Thai Binh (Thái Bình), Thanh Hoa (Thanh Hóa), Son Tay (Hà Nội), Dong Hoi (Quảng Bình), Phan Rang-Thap Cham (Ninh Thuận), Ha Long (Quảng Ninh)
Countries closest to Vietnam
*Calculation of distances from capital to capital
Daylight Hours FAQ: 10 Most Googled Questions Answered
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks