Reykjavik, Iceland
Reykjavik lies at 64°9' North of the equator, just a few degrees south of the Arctic Circle (66°30'N) that experiences 24 hours of daylight on the summer solstice.
However, the 2:58 a.m. early sunrise on June 21 in Iceland combined with a midnight sunset makes for a long period of daylight. The maximums for Reykjavik match the solstice sunrise and sunset but last from June 17-23 and June 20-24 respectively.
London, United Kingdom
London's sunrise on June 21 is at 4:42 a.m. and sunset is at 9:20 p.m. Sunrise at 4:42 a.m. is London's earliest, from June 11-22 but the sunset maximum is 9:21 p.m. from June 22-28.
Tokyo, Japan
On June 21, the sun rises in the land of the rising sun at 4:25 a.m. and sets at 6:59 p.m. Tokyo's earliest sunrise is 4:24 a.m. from June 11-14 and its latest sunset is at 7:00 p.m. from June 22 to July 6.
Mexico City, Mexico
Mexico City's sunrise on the solstice is 6:58 a.m. and sunset is at 8:16 p.m. Sunrise maximum for Mexico City is 6:56 a.m. from May 31-June 11 and sunset maximum is 8:18 p.m. from June 27-July 14.
Nairobi, Kenya
Nairobi, which is merely 1°17' south of the equator, has exactly 12 hours of sunlight on June 21, the sun rises at 6:33 a.m. and sets at 6:33 p.m. experiences its longest day on December 21. On that day, sunrise is at 6:22 a.m. and it sets at 6:37 p.m.
Nairobi's earliest sunrise is from November 3-11 at 6:09 a.m. and its latest sunset is at 6:51 p.m. from January 28-February 18! The lack of diversity in Nairobi's sunrise and sunset throughout the year provides a clear example of why lower latitudes don't need Daylight Saving Time - sunrise and sunset are almost at the same time year-round.
