ស្រាពណ៍ - ភទ្របទ 2575
September 2031 (ស្រាពណ៍ - ភទ្របទ 2575) lists 12 events — 1 public holidays/observances and 4 holy days. Highlight: Constitution Day. Highlighted days open to full lunar detail (waxing/waning day, moon phase, animal year, B.E.). Civil dates can change by government notice — confirm closures officially.
- September 24 — Constitution Day
Holy days this month follow the moon: 8 waxing/waning, full moon (15 waxing), and new moon (14/15 waning). Cells with the buddha icon are holy days — Buddhists visit pagodas, hear sermons, and keep precepts. During Pchum Ben season (Photroboth), waning days 1–14 are Kan Ben days.
By Khmer Calendar editorial · Updated 2026-09-26
Which holidays fall in September 2031?
September 24 — Constitution Day. See the sidebar for the full list.
When are the holy days (Thngai Sil)?
There are 4 this month (buddha icon) — typically 8 waxing/waning, full moon, and new moon. Open any highlighted day for lunar detail.
How do I use this month page?
Find a festival in the event list, then open that day for the full page — lunar date, mansion, horoscope, and good/void hours. To pick a ceremony date, use the auspicious date finder.
Planning a ceremony? Open the auspicious date finder →
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