DST is observed in both Chatham Island and Blacktown. Time difference between these two cities may change depending on the date DST begins and ends.
Time difference changes between Chatham Island and Blacktown:
Distance from Chatham Island to Blacktown
|Till 29 September 2019||-2:45 hours|
|29 September 2019 to 06 October 2019||-3:45 hours|
|06 October 2019 to 05 April 2020||-2:45 hours|
|After 05 April 2020||-2:45 hours|