Convert EST to IST
New York is the start zone and India is on the list. Type the New York time and read it in India.
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This page opens the time zone converter with New York as the start zone and India added to the cards. Pick a date and a time and each card shows the time there with its UTC offset. The India card may read Asia/Calcutta, the older name of Kolkata.
India keeps UTC+5:30 all year. New York is on EST (UTC−5) in winter and EDT (UTC−4) in summer, so India is 10 hours 30 minutes ahead in winter and 9 hours 30 minutes ahead in summer. The gap changes when the US changes its clocks, never when India does.
How to convert time between time zones
- Enter the date, the time and the zone that time is in.
- Add the cities or zones you want to compare.
- Read each local time, then the strips for shared working hours.
Questions
What is 9:00 AM EST in IST?
It is 7:30 PM in India in winter (9:00 plus 10 hours 30 minutes). In summer, 9:00 AM EDT is 6:30 PM in India.
Does the converter know if New York is on EST or EDT?
Yes. The start zone is the city, not a fixed offset, so its card shows UTC−05:00 for a winter date and UTC−04:00 for a summer date.
How do I convert a time to another time zone?
Find each zone’s UTC offset on that date, then add or subtract the difference. London is UTC+1 in summer, so 09:00 in London is 08:00 UTC, which is 17:00 in Tokyo (UTC+9).
Why do UTC offsets change during the year?
Many places move their clocks for daylight saving time, so their offset from UTC changes twice a year. Check the date you are converting, not only today’s offset.
Why does a zone show +1 day?
The converted time falls on a different calendar date in that zone, so it is the next day (+1) or the previous day (−1). Late evening in New York is often the next morning in Tokyo.
What do the working-hour strips show?
Each strip follows the starting zone’s day, hour by hour. Shaded cells are 09:00 to 17:00 in that row’s zone, so you can see where the working hours of several zones overlap. On a clock-change day, an hour that does not exist (such as 02:00 when clocks go forward) is left as an empty outline.
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