Time zone: GMT/UTC + 7 (the same zone as Thailand, Laos and Cambodia)
Business days: Monday through Friday.
Business hour: Mornings: 07h30 - 12h00; Afternoons: 13h00 - 16h30.
Museums are usually closed on Monday but you can visit temples and pagodas every day. Most restaurants and shops open from 08h00 till 22h00.