How do you calculate time in different zones?

How do you calculate time in different zones?

To find the time zone in hours of a particular location, you can take the longitude — in degrees — and divide it by 15. So, for example, 75° E would be 75/15 which equals 5. That translates to the time zone being 5 hours ahead of UTC or GMT time, which can also be labeled as UTC+5. Let’s do another one.

What is the time difference between each time zone in the US?

United States and regional time zones

Time zone DST Standard
Eastern UTC−04:00 UTC−05:00
Central UTC−05:00 UTC−06:00
Mountain UTC−06:00 UTC−07:00
Pacific UTC−07:00 UTC−08:00

How do you solve for time difference?

Compute time difference manually Subtract all end times from hours to minutes. If the start minutes is higher than the end minutes, subtract an hour from the end time hours and add 60 minutes to the end minutes. Proceed to subtract the start time minutes to the end minutes. Subtract the hours too from end to start.

Why are there 4 different time zones in the USA?

With so many time zones, different railroad lines were sometimes on different time systems, and scheduling remained confusing and uncertain. Finally, the railway managers agreed to use four time zones for the continental United States: Eastern, Central, Mountain, and Pacific.

How do you calculate zone description?


  1. The first step in time conversions is determining the zone description.
  2. zone description could be found by dividing the local longitude by 15, since each zone is.
  3. 15 wide, but problems arise because the zone boundaries have been modified (for greater.

When it is 9 pm in Brooklyn What time is it in Hawaii?

Time in New York vs Hawaii New York is 6 hours ahead of Hawaii. If you are in New York, the most convenient time to accommodate all parties is between 3:00 pm and 6:00 pm for a conference call or meeting. In Hawaii, this will be a usual working time of between 9:00 am and 12:00 pm.

Is Hawaii 6 hours behind us?

Hawaii is anywhere from 2 to 5 or 3 to 6 hours behind the rest of US mainland, depending upon whether or not it’s Daylight Savings. Hawaii is one of the few states in the US that does not observe Daylight Savings Time.

What country is 13 hours ahead of California?

Asia is 13 hours ahead of California (CA). That will end up being between 7:00 AM and 8:00 AM in Asia.