directions for finding times
from the time zone tables

 

Time zone tables are provided for the following regions:

In each of the tables:

To find the current time at another location

1. Convert the time where you are to 24-hour time.

It's easier to do these calculations in 24-hr time, instead of using am and pm. Change your local time to 24-hr time by adding 12 if it's past noon. Two pm, for example, would become 14:00.

2. Convert the time where you are to UTC.

Find your own location in a table. Subtract the number in the second column (or the third column, if it's summer) from your local time. 

Example: Suppose you live in Greenland and it's 14:00. The table says -3. Subtracting a negative number is the same as adding, so subtracting -3 from 14:00 gives 17:00.  Now you know what the UTC time is right now.

3. Add to the UTC time.

Find the location in a table. Add the number in the second column (or the third column, if it's summer and ) to the UTC time.

Let's say one wants to know the time in New South Wales in Australia. The table says +10, or +11 if it's between October and March. Let's say it's June, so we add 10 to 17:00, and get 27:00.

This is more than 24:00, so it's already the next day in New South Wales.  Subtract 24:00, and see that it's 3 am there.

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