Nukualofa, Tonga is 19 hours ahead of Calgary, Alberta, Canada
1:15 pm Tuesday, in Nukualofa, Tonga is
6:15 pm Monday, in Calgary, Alberta, Canada
See distance from Nukualofa to Calgary
Nukualofa doesn't observe daylight saving time but Calgary does. DST in Calgary started on 10 March 2019 and will end on 03 November 2019. Once DST ends, Nukualofa - Calgary time difference will be 20:0 hours.