Pchum Ben (Ancestors' Day) — ភ្ជុំបិណ្ឌ

If Khmer New Year is Cambodia's biggest party, Pchum Ben is its most profound spiritual observance. For 15 days spanning late September and early October, Cambodians believe the gates of the underworld open, allowing the spirits of deceased ancestors — particularly those with unresolved karma — to roam the Earth seeking sustenance.

The living must feed these spirits by offering food at pagodas. Failure to do so, tradition holds, brings curses from hungry, neglected ancestors. It's a duty taken with absolute seriousness, and even Cambodians living abroad will send money home to ensure offerings are made on their behalf.

Days 1–12: Kan Ben

During the first 12 days (Kan Ben), people take turns visiting pagodas before dawn — sometimes as early as 4am — to offer "bay ben" (sticky rice balls) by throwing them into dark fields and around pagoda grounds for wandering spirits. Monks chant throughout the night, and pagodas remain illuminated until dawn.

Days 13–15: Pchum Ben (Main Days)

The final three days are the climax. Families dress in their best clothes and visit at least 7 pagodas (the number is significant in Buddhist tradition). Elaborate food offerings are presented to monks, who dedicate the merit to the ancestors. These are public holidays, and the entire country pauses.

• Dress modestly: Cover shoulders and knees. White or muted colors are appropriate.
• Remove shoes: Always remove footwear before entering prayer halls.
• Sit lower than monks: Never position yourself higher than a seated monk.
• Ask before photographing: Ceremonies are sacred. Get permission first.
• Women shouldn't touch monks: Female visitors should not make physical contact with monks or hand items directly to them.
• Accept offerings graciously: If offered food or blessings, accept with both hands and a slight bow.

• Experience it: Attending a dawn ceremony at a rural pagoda is one of Cambodia's most moving cultural experiences.
• Transport fills up: Buses and shared taxis are packed as Cambodians return to home provinces. Book intercity transport days ahead.
• Phnom Penh empties: Like Khmer New Year, the capital quiets dramatically as residents travel home.
• Siem Reap stays busy: Tourist infrastructure continues operating, though local staff may take leave.
• Bring modest clothing: Pack a scarf or sarong for covering up at pagodas.