Koh Phangan Sunset Times and Where the Sun Actually Sets

The one thing that changes most between January and July

Most sunset advice for Koh Phangan is a list of beaches. The list is the least useful part. On this island the two things that actually decide your evening are what time the sun goes down — which swings by nearly an hour across the year — and where on the horizon it lands, which swings by 47 degrees. Get those right and almost any west-facing spot works. Get them wrong and you arrive at Hin Kong at half past six in November to find the sky already going grey.

Here are the numbers for this latitude (9.74°N), rounded to the nearest few minutes. Times shift by a minute or two either side of the dates given.

| Month | Sunset | Where it meets the horizon | |---|---|---| | January | 18:10 → 18:20 | WSW, 247–252° | | February | 18:25 → 18:30 | WSW, 253–260° | | March | 18:31 | W, 262–272° | | April | 18:31 | WNW, 275–283° | | May | 18:32 → 18:35 | WNW, 285–291° | | June | 18:38 → 18:44 | WNW, 292–294° | | July | 18:45 | WNW, 294–292° | | August | 18:43 → 18:37 | WNW, 289–282° | | September | 18:30 → 18:20 | W, 279–271° | | October | 18:12 → 18:02 | WSW, 267–257° | | November | 17:58 → 17:56 | WSW, 256–250° | | December | 17:57 → 18:05 | WSW, 248–246° |

Mid-November is the earliest sunset of the year here, just before six. Mid-July is the latest, quarter to seven. If you are booking a table or planning a ride, that difference matters more than which bay you choose.

In December the sun sets inside a national park

From the west coast of Koh Phangan, the Ang Thong islands sit low on the horizon about 40 km away, spread across compass bearings of roughly 247° in the south to 266° at the northern end. Compare that with the table above and you can see what happens.

From late October through to about mid-February, the sun goes down into the archipelago. It does not touch water; it slides behind a ridge of blue-grey islands and disappears three or four minutes earlier than the printed time, leaving the islands cut out black against orange. This is the more photogenic version, and it is one reason the November–February window is worth more than its reputation for rain.

Around the first half of March the sun clears the northern tip of Ang Thong and, from then until roughly early October, sets into open sea. That is the clean-disc sunset: the sun touches the water and takes two and a quarter to two and a half minutes to vanish completely. Worth knowing if you are trying to time a photograph — the whole event is shorter than one song.

After that you have about 22 minutes of usable light before civil twilight ends. The colour usually peaks 5 to 15 minutes after the sun has gone, not before, which is exactly when most people are already walking back to their scooters.

Where to stand, and the trade-offs

Hin Kong is the workhorse. A long, straight strand running parallel to the main road, rarely crowded, with a wide sandbank exposed at low water. It is not a swimming beach — shallow and stony in places, and the water walks a long way out — but that is precisely what makes it good in the evening: a sheet of wet sand that doubles the sky. Ten minutes from Thong Sala.

Zen Beach, at the Srithanu end, is the social one. Drums, fire spinning, people arriving from afternoon classes, a simple beach bar on the sand. If you want that, it is genuinely lovely. If you want quiet, go two bays south. There are no public toilets or showers, and parking is roadside.

The Haad Son headland gives you rock instead of sand. Koh Raham, the cliffside bar on the promontory between Haad Yao and Haad Son, is built out over the rocks with swings and platforms; Secret Beach itself is reached through the resort grounds next door. It is popular, so it is not a place to arrive at ten to six in high season.

Height changes the geometry. From the hills behind the coast you keep the sun a few minutes longer, you see the whole 180° arc of the Ang Thong chain rather than one slice of it, and on the clearest evenings the mainland shows as a low grey line due west. Amsterdam Bar, on the hillside above the Thong Sala end of the coast, is the accessible version — panoramic, with a pool, an entry charge at the gate, and a habit of filling up well before the hour. Our own terrace at Villa Ullassa works on the same principle, which is mostly an accident of where the ridge sits.

Two things people forget

The tide. Gulf tides here are largely once-a-day, so whether low water falls near sunset drifts through a roughly two-week cycle. When it does coincide, the west coast flats turn into a mirror and the walk out is the whole experience. When it does not, you get a normal beach. Neither is bad, but it explains why the same bay looks completely different in two photographs. We have written separately about reading the tides on this coast.

The ride home. Sunset here is followed by darkness quickly, and the inland roads between the west coast and the interior are unlit, with dogs, potholes and oncoming high beams. The 20 minutes after sunset are the worst of the day for visibility on a scooter. Either leave immediately, or stay for dinner and ride back at proper night when your eyes have adjusted.

Which months to plan around

Late October to early December brings the heaviest cloud, and there are evenings when nothing happens at all. There are also evenings in that same period when a break in the cloud over Ang Thong produces the best light of the year. From roughly December to February the west coast sits in the lee of the island during the northeast monsoon, and the sea in front of you is often glassy at dusk. From May to September the breeze tends to come onshore here, so expect more ripple, more wind and a sun that sets well north of west.

If you are staying with us, the practical version is short: check the month in the table, add half an hour, and walk out to the terrace before the sun reaches the islands.