The current time in Mumbai is based on Indian Standard Time (IST), which is UTC+5:30 throughout the year as India does not observe Daylight Saving Time.

Mumbai and the rest of India do not observe Daylight Saving Time (DST). Indian Standard Time (IST) remains UTC+5:30 all year round.

London (GMT/BST): Mumbai is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT, UTC+0:00) and 4 hours and 30 minutes ahead during British Summer Time (BST, UTC+1:00).

New York (EST/EDT): Mumbai is 10 hours and 30 minutes ahead of Eastern Standard Time (EST, UTC-5:00) and 9 hours and 30 minutes ahead during Eastern Daylight Time (EDT, UTC-4:00).

Tokyo (JST): Mumbai is 3 hours and 30 minutes behind Japan Standard Time (JST, UTC+9:00).

Sydney (AEST/AEDT): Mumbai is 4 hours and 30 minutes behind Australian Eastern Standard Time (AEST, UTC+10:00) and 5 hours and 30 minutes behind during Australian Eastern Daylight Time (AEDT, UTC+11:00).