History of daylight savings time for : Phai Sali (Thailand) Year : 1901 Back to standard time on Friday 13 December 1901 - 20 h 45 (GMT + 6 h 42.066666666667) BMT Year : 1920 Back to standard time on Wednesday 31 March 1920 - 17 h 17 (GMT + 7 h ) +07
Year : 1901 Back to standard time on Friday 13 December 1901 - 20 h 45 (GMT + 6 h 42.066666666667) BMT Year : 1920 Back to standard time on Wednesday 31 March 1920 - 17 h 17 (GMT + 7 h ) +07