Blue hour is the twilight period when the sun is between 4 and 6 degrees below the horizon. Scattered sunlight produces a deep blue sky while city lights begin to illuminate, creating naturally balanced ambient light.

How long does blue hour last?

Blue hour typically lasts 20 to 40 minutes, depending on latitude and season. High-latitude cities in summer have longer blue hours because the sun moves at a shallower angle below the horizon.

What camera settings should I use for blue hour?

Start with ISO 200 to 400, f/8, and a 2-second exposure. Use a tripod, shoot RAW, and set white balance to Daylight (5500K) rather than Auto to preserve the blue tones.

Best Cities for Blue Hour Photography

Blue hour is the 20 to 30 minute window after sunset (and before sunrise) when the sun is 4 to 6 degrees below the horizon. The deep blue sky perfectly balances with artificial city lights, creating the ideal conditions for cityscape photography. These cities combine dramatic skylines with blue hour to create world-class photography opportunities.

City Comparison: Today's Times

City	Country	Sunrise	Sunset	Daylight
Delhi	India	05:24	19:17	13h 53m
Chongqing	China	05:53	19:50	13h 57m
Shanghai	China	04:51	18:56	14h 05m
Dhaka	Bangladesh	05:12	18:44	13h 32m
Mexico City	Mexico	05:58	19:13	13h 15m
Beijing	China	04:48	19:40	14h 52m
Cairo	Egypt	05:55	19:54	14h 00m
Mumbai	India	06:01	19:15	13h 14m
Guangzhou	China	05:42	19:11	13h 29m
Karachi	Pakistan	05:43	19:20	13h 37m
Istanbul	Turkey	05:34	20:33	14h 59m
Lagos	Nigeria	06:31	19:00	12h 29m

Frequently Asked Questions

What is blue hour?: Blue hour is the twilight period when the sun is between 4 and 6 degrees below the horizon. Scattered sunlight produces a deep blue sky while city lights begin to illuminate, creating naturally balanced ambient light.
How long does blue hour last?: Blue hour typically lasts 20 to 40 minutes, depending on latitude and season. High-latitude cities in summer have longer blue hours because the sun moves at a shallower angle below the horizon.
What camera settings should I use for blue hour?: Start with ISO 200 to 400, f/8, and a 2-second exposure. Use a tripod, shoot RAW, and set white balance to Daylight (5500K) rather than Auto to preserve the blue tones.

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