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Koh Rong plankton in April 2027: darkest nights

Swim off Long Set Beach or from night boat trips on Koh Rong Samloem. Year-round; best in the dry season.

17 pitch-dark nights, 18 dark nights

New moon Wed 7 Apr · Full moon Wed 21 Apr

Night by night, April 2027

NightMoon20:0022:00Best
Thu 1 Apr 26%●●●●●●●●●●20:00
Fri 2 Apr 18%●●●●●●●●●●20:00
Sat 3 Apr 11%●●●●●●●●●●20:00
Sun 4 Apr 6%●●●●●●●●●●20:00
Mon 5 Apr 2%●●●●●●●●●●20:00
Tue 6 Apr 0%●●●●●●●●●●20:00
Wed 7 Apr 1%●●●●●●●●●●20:00
Thu 8 Apr 3%●●●●●●●●●●20:00
Fri 9 Apr 8%●●●●●●●●●●22:00
Sat 10 Apr 16%●●●●●●●●●●22:00
Sun 11 Apr 25%●●●●●●●●●●22:00
Mon 12 Apr 36%●●●●●●●●●●22:00
Tue 13 Apr 47%●●●●●●●●●●22:00
Wed 14 Apr 59%●●●●●●●●●●22:00
Thu 15 Apr 70%●●●●●●●●●●20:00
Fri 16 Apr 80%●●●●●●●●●●20:00
Sat 17 Apr 89%●●●●●●●●●●20:00
Sun 18 Apr 95%●●●●●●●●●●20:00
Mon 19 Apr 98%●●●●●●●●●●20:00
Tue 20 Apr 100%●●●●●●●●●●20:00
Wed 21 Apr 99%●●●●●●●●●●20:00
Thu 22 Apr 96%●●●●●●●●●●20:00
Fri 23 Apr 91%●●●●●●●●●●20:00
Sat 24 Apr 85%●●●●●●●●●●20:00
Sun 25 Apr 78%●●●●●●●●●●20:00
Mon 26 Apr 70%●●●●●●●●●●20:00
Tue 27 Apr 61%●●●●●●●●●●20:00
Wed 28 Apr 51%●●●●●●●●●●20:00
Thu 29 Apr 42%●●●●●●●●●●20:00
Fri 30 Apr 33%●●●●●●●●●●20:00

Check one night in detail Koh Rong plankton tours

Questions

What are the best nights to see the bioluminescence at Koh Rong plankton in April 2027?

The darkest nights are Thu 1 Apr, Fri 2 Apr, Sat 3 Apr, Sun 4 Apr, Mon 5 Apr, Tue 6 Apr, Wed 7 Apr, Thu 8 Apr, Fri 9 Apr, Sat 10 Apr and more. 18 of 30 nights score at least 4 out of 5.

Which nights should I avoid in April 2027?

Avoid the nights around the full moon on Wed 21 Apr, when moonlight washes out the glow.

20:00 or 22:00: which Koh Rong plankton tour is darker in April?

20:00 is the darker choice on 16 nights; 22:00 is the darker choice on 4 nights.

Koh Rong plankton darkness by month

Darkness score 1-5 per tour slot from twilight and moonlight. Weather and plankton health are not included. Times are local (Asia/Phnom_Penh).