Sofia vs. Vientiane time difference

Sofia is 4 hours behind Vientiane

Sofia BulgariaVientiane Laos
Tue 09:17 am

Tue 01:17 pm

7 am11:00 am
9 am1:00 pm
11 am3:00 pm
1 pm5:00 pm
3 pm7:00 pm
5 pm9:00 pm
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Time difference between Sofia Bulgaria and Vientiane Laos is 4:0 hours

Vientiane doesn't observe daylight saving time but Sofia does. DST in Sofia started on 31 March 2019 and will end on 27 October 2019. Once DST ends in Sofia the time difference between Sofia and Vientiane will be 5:0 hours.