Sunrise and Sunset times in Son La, Vietnam 
Today:
 Sunrise: 06:27:57
|
 Sunset: 17:21:55
|
Day Length: 10h 53m 58s
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 |
|---|---|---|---|---|
| 2025-Dec-01, Monday | 06:25:22 | 11:53:21 | 17:21:21 | 10h 55m 59s |
| 2025-Dec-02, Tuesday | 06:26:01 | 11:53:44 | 17:21:27 | 10h 55m 26s |
| 2025-Dec-03, Wednesday | 06:26:40 | 11:54:07 | 17:21:35 | 10h 54m 55s |
| 2025-Dec-04, Thursday | 06:27:19 | 11:54:31 | 17:21:44 | 10h 54m 25s |
| 2025-Dec-05, Friday | 06:27:57 | 11:54:56 | 17:21:55 | 10h 53m 58s |
| 2025-Dec-06, Saturday | 06:28:36 | 11:55:21 | 17:22:07 | 10h 53m 31s |
| 2025-Dec-07, Sunday | 06:29:14 | 11:55:47 | 17:22:20 | 10h 53m 6s |
| 2025-Dec-08, Monday | 06:29:52 | 11:56:13 | 17:22:34 | 10h 52m 42s |
| 2025-Dec-09, Tuesday | 06:30:29 | 11:56:39 | 17:22:50 | 10h 52m 21s |
| 2025-Dec-10, Wednesday | 06:31:06 | 11:57:06 | 17:23:07 | 10h 52m 1s |
| 2025-Dec-11, Thursday | 06:31:43 | 11:57:34 | 17:23:25 | 10h 51m 42s |
| 2025-Dec-12, Friday | 06:32:19 | 11:58:02 | 17:23:44 | 10h 51m 25s |
| 2025-Dec-13, Saturday | 06:32:55 | 11:58:30 | 17:24:05 | 10h 51m 10s |
| 2025-Dec-14, Sunday | 06:33:30 | 11:58:58 | 17:24:26 | 10h 50m 56s |
| 2025-Dec-15, Monday | 06:34:05 | 11:59:27 | 17:24:49 | 10h 50m 44s |
| 2025-Dec-16, Tuesday | 06:34:39 | 11:59:56 | 17:25:13 | 10h 50m 34s |
| 2025-Dec-17, Wednesday | 06:35:13 | 12:00:25 | 17:25:38 | 10h 50m 25s |
| 2025-Dec-18, Thursday | 06:35:45 | 12:00:55 | 17:26:04 | 10h 50m 19s |
| 2025-Dec-19, Friday | 06:36:17 | 12:01:24 | 17:26:31 | 10h 50m 14s |
| 2025-Dec-20, Saturday | 06:36:49 | 12:01:54 | 17:26:59 | 10h 50m 10s |
| 2025-Dec-21, Sunday | 06:37:19 | 12:02:24 | 17:27:28 | 10h 50m 9s |
| 2025-Dec-22, Monday | 06:37:49 | 12:02:54 | 17:27:58 | 10h 50m 9s |
| 2025-Dec-23, Tuesday | 06:38:18 | 12:03:23 | 17:28:29 | 10h 50m 11s |
| 2025-Dec-24, Wednesday | 06:38:46 | 12:03:53 | 17:29:01 | 10h 50m 15s |
| 2025-Dec-25, Thursday | 06:39:13 | 12:04:23 | 17:29:33 | 10h 50m 20s |
| 2025-Dec-26, Friday | 06:39:39 | 12:04:53 | 17:30:06 | 10h 50m 27s |
| 2025-Dec-27, Saturday | 06:40:04 | 12:05:22 | 17:30:40 | 10h 50m 36s |
| 2025-Dec-28, Sunday | 06:40:28 | 12:05:52 | 17:31:15 | 10h 50m 47s |
| 2025-Dec-29, Monday | 06:40:52 | 12:06:21 | 17:31:50 | 10h 50m 58s |
| 2025-Dec-30, Tuesday | 06:41:14 | 12:06:50 | 17:32:26 | 10h 51m 12s |
| 2025-Dec-31, Wednesday | 06:41:35 | 12:07:19 | 17:33:03 | 10h 51m 28s |
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