Sunrise and Sunset times in Dong Hoi, Vietnam 
Dong Hoi
☁️ Low chance of a spectacular sunset.
Quảng Bình, Vietnam
189 265 people
Current temperature 36 ° C 
Clear
Today:
 Sunrise: 05:40:13
|
 Sunset: 18:04:23
|
Day Length: 12h 24m 10s
Time zone: Asia/Ho_Chi_Minh, UTC 7 h.
Latitude: 17.4833, Longitude: 106.6
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Sep-01, Monday | 05:39:38 | 11:53:37 | 18:07:36 | 12h 27m 58s |
| 2025-Sep-02, Tuesday | 05:39:47 | 11:53:18 | 18:06:48 | 12h 27m 1s |
| 2025-Sep-03, Wednesday | 05:39:56 | 11:52:58 | 18:06:00 | 12h 26m 4s |
| 2025-Sep-04, Thursday | 05:40:05 | 11:52:38 | 18:05:12 | 12h 25m 7s |
| 2025-Sep-05, Friday | 05:40:13 | 11:52:18 | 18:04:23 | 12h 24m 10s |
| 2025-Sep-06, Saturday | 05:40:22 | 11:51:58 | 18:03:34 | 12h 23m 12s |
| 2025-Sep-07, Sunday | 05:40:30 | 11:51:38 | 18:02:45 | 12h 22m 15s |
| 2025-Sep-08, Monday | 05:40:38 | 11:51:17 | 18:01:56 | 12h 21m 18s |
| 2025-Sep-09, Tuesday | 05:40:46 | 11:50:56 | 18:01:06 | 12h 20m 20s |
| 2025-Sep-10, Wednesday | 05:40:54 | 11:50:35 | 18:00:16 | 12h 19m 22s |
| 2025-Sep-11, Thursday | 05:41:02 | 11:50:14 | 17:59:26 | 12h 18m 24s |
| 2025-Sep-12, Friday | 05:41:10 | 11:49:53 | 17:58:36 | 12h 17m 26s |
| 2025-Sep-13, Saturday | 05:41:18 | 11:49:32 | 17:57:45 | 12h 16m 27s |
| 2025-Sep-14, Sunday | 05:41:26 | 11:49:10 | 17:56:55 | 12h 15m 29s |
| 2025-Sep-15, Monday | 05:41:33 | 11:48:49 | 17:56:04 | 12h 14m 31s |
| 2025-Sep-16, Tuesday | 05:41:41 | 11:48:27 | 17:55:14 | 12h 13m 33s |
| 2025-Sep-17, Wednesday | 05:41:49 | 11:48:06 | 17:54:23 | 12h 12m 34s |
| 2025-Sep-18, Thursday | 05:41:57 | 11:47:45 | 17:53:32 | 12h 11m 35s |
| 2025-Sep-19, Friday | 05:42:05 | 11:47:23 | 17:52:41 | 12h 10m 36s |
| 2025-Sep-20, Saturday | 05:42:13 | 11:47:02 | 17:51:51 | 12h 9m 38s |
| 2025-Sep-21, Sunday | 05:42:21 | 11:46:40 | 17:51:00 | 12h 8m 39s |
| 2025-Sep-22, Monday | 05:42:29 | 11:46:19 | 17:50:09 | 12h 7m 40s |
| 2025-Sep-23, Tuesday | 05:42:37 | 11:45:58 | 17:49:19 | 12h 6m 42s |
| 2025-Sep-24, Wednesday | 05:42:46 | 11:45:37 | 17:48:28 | 12h 5m 42s |
| 2025-Sep-25, Thursday | 05:42:54 | 11:45:16 | 17:47:38 | 12h 4m 44s |
| 2025-Sep-26, Friday | 05:43:03 | 11:44:56 | 17:46:48 | 12h 3m 45s |
| 2025-Sep-27, Saturday | 05:43:12 | 11:44:35 | 17:45:58 | 12h 2m 46s |
| 2025-Sep-28, Sunday | 05:43:21 | 11:44:15 | 17:45:09 | 12h 1m 48s |
| 2025-Sep-29, Monday | 05:43:31 | 11:43:55 | 17:44:19 | 12h 0m 48s |
| 2025-Sep-30, Tuesday | 05:43:40 | 11:43:35 | 17:43:30 | 11h 59m 50s |
Day length in Dong Hoi during the year on the chart:
Dong Hoi on Vietnam map:
Locations in the same time zone Asia/Ho_Chi_Minh
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), Soc Trang (Sóc Trăng), Rach Gia (Kiến Giang), 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), Phan Rang-Thap Cham (Ninh Thuận), Ha Long (Quảng Ninh), Ha Tinh (Hà Tĩnh)
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), Phan Rang-Thap Cham (Ninh Thuận), Ha Long (Quảng Ninh), Ha Tinh (Hà Tĩnh)
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