Work days : Monday through Friday
Bank Holidays : 1rst and 2nd of January, Chinese New Year, Māgha Pūjā, 6th of April, Songkran Festival, 1rst of May, Vesak, Asalha Puja, 28th of July, 12th and 13th of August, 13th and 23rd of October, 5th, 10th, 24th, 25th, and 31rst of December.
Time zone : UTC +7
Capital : Bangkok
Main Cities : Bangkok, Nonthaburi, Samut Prakan, Udon Thani, Chonburi.
Country Code : ISO 3166-2:TH

VAT : 7%
Currency : Thai Baht (THB)
Main Languages : Thaï
Primary carrier service postal : Thailand Post

Don't forget that for the calculation of your delivery delays, bank holidays are not considered work days.