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Diamond Fuji calendar

Short answer: Diamond Fuji is the moment the sun sets onto, or rises out of, the summit of Mount Fuji. From any one spot it happens on only a few days a year, so the date depends on where you stand. Here is every date for the next 12 months from the best-known spots.

DateTimeSpot
Sat 7 November 202616:32Tokyo SkytreeSunset
Sun 8 November 202616:31Tokyo SkytreeSunset
Mon 9 November 202616:29Tokyo Metropolitan Government BuildingSunset
Tue 10 November 202616:28Tokyo Metropolitan Government BuildingSunset
Wed 11 November 202616:27Tokyo Metropolitan Government BuildingSunset
Thu 17 December 202616:12Mount TakaoSunset
Fri 18 December 202616:13Mount TakaoSunset
Sat 19 December 202616:13Mount TakaoSunset
Sun 20 December 202616:13Mount TakaoSunset
Mon 21 December 202616:14Mount TakaoSunset
Tue 22 December 202616:14Mount TakaoSunset
Wed 23 December 202616:15Mount TakaoSunset
Thu 24 December 202616:16Mount TakaoSunset
Fri 25 December 202616:16Mount TakaoSunset
Sat 26 December 202616:17Mount TakaoSunset
Sun 31 January 202716:56Tokyo Metropolitan Government BuildingSunset
Mon 1 February 202716:58Tokyo Metropolitan Government BuildingSunset
Wed 3 February 202717:01Tokyo SkytreeSunset
Thu 4 February 202717:02Tokyo SkytreeSunset
Mon 8 February 202717:05Tokyo TowerSunset
Tue 9 February 202717:06Tokyo TowerSunset
Wed 10 February 202716:28Lake YamanakaSunset
Thu 11 February 202716:29Lake YamanakaSunset
Mon 8 March 202717:31Yokohama Landmark TowerSunset
Tue 9 March 202717:32Yokohama Landmark TowerSunset
Mon 5 April 202717:51EnoshimaSunset
Tue 6 April 202717:52EnoshimaSunset
Mon 19 April 202706:10Lake TanukiSunrise
Tue 20 April 202706:09Lake TanukiSunrise
Tue 24 August 202706:13Lake TanukiSunrise
Wed 25 August 202706:14Lake TanukiSunrise
Mon 6 September 202717:48EnoshimaSunset
Tue 7 September 202717:47EnoshimaSunset
Tue 5 October 202717:09Yokohama Landmark TowerSunset
Sun 31 October 202715:58Lake YamanakaSunset
Mon 1 November 202715:57Lake YamanakaSunset
Tue 2 November 202716:35Tokyo TowerSunset
Wed 3 November 202716:34Tokyo TowerSunset

Spots

Sunset · 16 km from Fuji

Lake Yamanaka

Next: Wed 10 February 2027, 16:28

Sunrise · 16 km from Fuji

Lake Tanuki

Next: Mon 19 April 2027, 06:10

Sunset · 55 km from Fuji

Mount Takao

Next: Thu 17 December 2026, 16:12

Sunset · 95 km from Fuji

Tokyo Metropolitan Government Building

Next: Mon 9 November 2026, 16:29

Sunset · 105 km from Fuji

Tokyo Skytree

Next: Sat 7 November 2026, 16:32

Sunset · 98 km from Fuji

Tokyo Tower

Next: Mon 8 February 2027, 17:05

Sunset · 68 km from Fuji

Enoshima

Next: Mon 5 April 2027, 17:51

Sunset · 83 km from Fuji

Yokohama Landmark Tower

Next: Mon 8 March 2027, 17:31

How we calculate it

For each spot we work out the direction of Fuji's summit and how high it appears above the horizon, allowing for the curve of the Earth and normal refraction. Then, for every day, we find the moment the sun (or moon) sinks to, or rises from, that height and measure how far left or right of the summit it is. Within about 0.4° the sun's disc sits on the summit: that is a Diamond Fuji. Pearl Fuji is the same with a moon at least half lit.