Southampton to Helena time difference

Southampton and Helena time difference changes
(based on dates DST begins and ends)
DateTime difference
10 March 2019 to 31 March 20196:0 hours
31 March 2019 to 27 October 20197:0 hours
27 October 2019 to 03 November 20196:0 hours

Southampton is 7 hours ahead of Helena

Southampton UKHelena Montana
Sat 10:19 pm

BST (UTC/GMT +1)
Sat 03:19 pm

MDT (UTC/GMT -6)
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Time difference between Southampton UK and Helena Montana is 7:0 hours

DST is observed in both Southampton and Helena. Time difference between these two cities will change according to the date DST begins and ends.