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Classic · Moon

Pearl Fuji 2027: dates and times

Lake Yamanaka, shore

Next date UTC+9

Pearl Fuji

What happens

From this point the setting moon sits on Kengamine, Mt. Fuji, 17.1 km away: a few hundred metres to one side is enough to miss it.

Next dates

Local times at the site (Asia/Tokyo).

  1. 06:57 UTC+9

    Window 24 February · holds 1 day
    Moon · 89% lit

  2. 05:22 UTC+9

    Window 24–26 March · holds 3 days
    Moon · 97% lit

  3. 03:23 UTC+9

    Window 20–22 April · holds 3 days
    Moon · 98% lit

  4. 01:52 UTC+9

    Window 18–20 May · holds 3 days
    Moon · 92% lit

  5. 00:54 UTC+9

    Window 16 June · holds 1 day
    Moon · 89% lit

  6. 07:03 UTC+9

    Window 22–23 June · holds 2 days
    Moon · 87% lit

  7. 05:56 UTC+9

    Window 19–22 July · holds 4 days
    Moon · 96% lit

  8. 04:48 UTC+9

    Window 15–18 August · holds 4 days
    Moon · 100% lit

  9. 02:37 UTC+9

    Window 13–14 September · holds 2 days
    Moon · 95% lit

  10. 01:30 UTC+9

    Window 12 October · holds 1 day
    Moon · 86% lit

  11. 05:53 UTC+9

    Window 13–14 March · holds 2 days
    Moon · 95% lit

  12. 04:21 UTC+9

    Window 9–11 April · holds 3 days
    Moon · 100% lit

24 more dates until 2030 in the app.

Where to stand

Viewpoint: Lake Yamanaka · Lake Yamanaka, shore
35.41980, 138.90100

Lined up with Kengamine, Mt. Fuji, 17.1 km away. Look towards 247° from north. It works across an area around this point, not only from the exact spot.

Good to know

Same shores as the diamond; at night or at dawn depending on the month. Mt. Ohira, Tanukiko and Kawaguchiko have their own days too.

The geometry is certain, but there is no official calendar: the dates are computed, with the moon as seen from the spot (parallax included). The moon shifts far more than the sun from day to day: the window is often a single day.

Dates for 2026–2030, worked out by Duskbox’s own astronomy engine: the sun from NREL’s SPA, the moon topocentric, both with atmospheric refraction.

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