Like The Photo

Koh Rong plankton in October 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 Fri 29 Oct · Full moon Fri 15 Oct

Night by night, October 2027

NightMoon20:0022:00Best
Fri 1 Oct 4%●●●●●●●●●●20:00
Sat 2 Oct 9%●●●●●●●●●●20:00
Sun 3 Oct 16%●●●●●●●●●●22:00
Mon 4 Oct 24%●●●●●●●●●●22:00
Tue 5 Oct 33%●●●●●●●●●●22:00
Wed 6 Oct 42%●●●●●●●●●●22:00
Thu 7 Oct 52%●●●●●●●●●●22:00
Fri 8 Oct 61%●●●●●●●●●●22:00
Sat 9 Oct 70%●●●●●●●●●●22:00
Sun 10 Oct 78%●●●●●●●●●●20:00
Mon 11 Oct 85%●●●●●●●●●●20:00
Tue 12 Oct 91%●●●●●●●●●●20:00
Wed 13 Oct 96%●●●●●●●●●●20:00
Thu 14 Oct 99%●●●●●●●●●●20:00
Fri 15 Oct 100%●●●●●●●●●●20:00
Sat 16 Oct 99%●●●●●●●●●●20:00
Sun 17 Oct 95%●●●●●●●●●●20:00
Mon 18 Oct 90%●●●●●●●●●●20:00
Tue 19 Oct 82%●●●●●●●●●●20:00
Wed 20 Oct 73%●●●●●●●●●●20:00
Thu 21 Oct 62%●●●●●●●●●●20:00
Fri 22 Oct 50%●●●●●●●●●●20:00
Sat 23 Oct 38%●●●●●●●●●●20:00
Sun 24 Oct 27%●●●●●●●●●●20:00
Mon 25 Oct 18%●●●●●●●●●●20:00
Tue 26 Oct 10%●●●●●●●●●●20:00
Wed 27 Oct 4%●●●●●●●●●●20:00
Thu 28 Oct 1%●●●●●●●●●●20:00
Fri 29 Oct 0%●●●●●●●●●●20:00
Sat 30 Oct 2%●●●●●●●●●●20:00
Sun 31 Oct 6%●●●●●●●●●●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 October 2027?

The darkest nights are Fri 1 Oct, Sat 2 Oct, Sun 3 Oct, Mon 4 Oct, Tue 5 Oct, Wed 20 Oct, Thu 21 Oct, Fri 22 Oct, Sat 23 Oct, Sun 24 Oct and more. 18 of 31 nights score at least 4 out of 5.

Which nights should I avoid in October 2027?

Avoid the nights around the full moon on Fri 15 Oct, when moonlight washes out the glow.

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

20:00 is the darker choice on 15 nights; 22:00 is the darker choice on 5 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).