White Waltham to IST Time Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
12:00 pm12:00 GMT (UTC+0), Nov 2, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 2, 2026
White Waltham is 5 hours and 30 minutes behind IST.
How the time difference changes
For most of the year, White Waltham is 4 hours and 30 minutes behind IST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, White Waltham is 5 hours and 30 minutes behind IST.
For most of the year, working hours of 9:00 am to 6:00 pm in White Waltham correspond to 1:30 pm to 10:30 pm in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in White Waltham correspond to 2:30 pm to 11:30 pm in IST.For most of the year, working hours of 09:00 to 18:00 in White Waltham correspond to 13:30 to 22:30 in IST. At other times of the year, working hours of 09:00 to 18:00 in White Waltham correspond to 14:30 to 23:30 in IST.
Compare White Waltham time with IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
GMT (Greenwich Mean Time) is 5 hours and 30 minutes behind India Standard Time.
12:00 pm12:00 in White Waltham, United Kingdom is 5:30 pm17:30 in IST
White Waltham to IST call time
Best time for a conference call or a meeting is between 9am-12:30pm09:00-12:30 in White Waltham which corresponds to 2:30pm-6pm14:30-18:00 in IST
12:00 pm12:00 GMT (Greenwich Mean Time) (White Waltham, United Kingdom). Offset UTC 0:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
12:00 pm12:00 White Waltham, United Kingdom / 5:30 pm17:30 IST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| White Waltham, United Kingdom | IST |
|---|---|
| 5:30am | |
| 6:30am | |
| 7:30am | |
| 8:30am | |
| 9:30am | |
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 10:30pm | |
| 11:30pm | |
| 12:30am next day | |
| 1:30am next day | |
| 2:30am next day | |
| 3:30am next day | |
| 4:30am next day | |
| 05:30 | |
| 06:30 | |
| 07:30 | |
| 08:30 | |
| 09:30 | |
| 10:30 | |
| 11:30 | |
| 12:30 | |
| 13:30 | |
| 14:30 | |
| 15:30 | |
| 16:30 | |
| 17:30 | |
| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 | |
| 22:30 | |
| 23:30 | |
| 00:30 next day | |
| 01:30 next day | |
| 02:30 next day | |
| 03:30 next day | |
| 04:30 next day |
White Waltham Time Zone and Facts
Time Zone
BST – British Summer Time, UTC+1 (daylight saving time)
White Waltham Facts
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
Current time in India: India time now
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
