What time is blue hour?
Michael Gray
Updated on May 04, 2026
The blue hour generally lasts the 20 to 30 minutes just after sunset and just before sunrise. For example, if the sun sets at 5 p.m., the blue hour would last from approximately 5:10 p.m. to 5:30 p.m.. If the sun rises at 5 a.m., the blue hour lasts from about 4:30 a.m. to 4:50 a.m.