Timezone Calculating Formula

brianclong

Board Regular
Joined
Apr 11, 2006
Messages
168
Hi I'm trying to create a sheet with different timezones around the world in which my company operates. The idea is to enter a time (for example you want to set up an international phone conference and you want to see the local times in several different countries) and see that time in all the other countries.

I have created the sheet but this formula stops working when I enter times around 12:00ish. =$C$4+(C7/24)

PS - If I put a "*-1" into the end of the formula, it calculates hours forward of my time (in other words, at 3:00 AM Japan time, It's 1:00 PM USA EST - but the formula would say 5:00 PM).

For example:

Excel Workbook
BCDEFGHIJK
4JAPAN TIME:12:00 PM
6USA - EasternUSA - CentralUSA - MountainUSA - PacificArgentinaBrazilChina - Hong KongChina - MainChina - Taiwan
7Time Difference:-14-15-16-1712-14-1-11
8
9
10Czech RepublicDominican RepublicGermanyLatviaMalaysiaMexicoPortugalPuerto RicoSingapore
11Local Times:##########################################################12:00 AM##############11:00 AM11:00 AM1:00 PM
Timezone Calculator



Can anyone tell me what I'm doing wrong? Thank you!
 
Last edited:

Excel Facts

Why does 9 mean SUM in SUBTOTAL?
It is because Sum is the 9th alphabetically in Average, Count, CountA, Max, Min, Product, StDev.S, StDev.P, Sum, VAR.S, VAR.P.
Hello. Thank you but I would rather do this with Excel formulas. I couldn't find the formulas on that VBA link, just the example. Thx though.
 
Upvote 0
The reason that it wasn't working is that you also need the date for the calculations

Try the example below
Excel Workbook
ABCDEFGHIJ
1JAPAN TIME:12:00Mon 28-Jan-08*******
2*USA - EasternUSA - CentralUSA - MountainUSA - PacificArgentinaBrazilChina - Hong KongChina - MainChina - Taiwan
3Time Difference:-14-15-16-1712-14-1-11
4**********
5*Czech RepublicDominican RepublicGermanyLatviaMalaysiaMexicoPortugalPuerto RicoSingapore
6*Sun 27-Jan-08Mon 28-Jan-08Sun 27-Jan-08Sun 27-Jan-08Tue 29-Jan-08Mon 28-Jan-08Mon 28-Jan-08Mon 28-Jan-08Mon 28-Jan-08
7Local Times:22:0021:0020:0019:000:0011:0011:0011:0013:00
Sheet


You will see that I have also added the day of the week

edvwvw
 
Upvote 0
Geniuses!!

I used the MOD formula of course because that was the quickest but both great options. Thanks gents!
 
Upvote 0
Ed you touch on a good point. I would now like to add which day it is. In other words, 9:00 Monday in Japan is actually 7:00 PM Sunday in USA EST. Is there a simple formula to put the day under each country heading as I have below?

My days are wrong. If we base the table on 21:00 Japan time, Argentina should say "Friday" and China should say "Friday." The time formula is =MOD($C$5+(C10/24),1) dragged over.

Does anyone know a day formula that will work?

Excel Workbook
BCDEFGHIJ
4??E?@q q??@q*****
5Meeting Time / Day:21:00Friday******
6*********
7*A?J?[?@A?J?[?@A?J?[?@RnA?J?[?@mA[`uW???`?
8*********
9Place - ?USA - EasternUSA - CentralUSA - MountainUSA - PacificArgentinaBrazilChina - HKChina - Main
10Time Difference:-14-15-16-17-11-14-1-1
11Time - 7:006:005:004:0010:007:0020:0020:00
12Day - FridayFridayFridayFridayThursdayFridayThursdayThursday
13*********
Timezone Calculator
 
Upvote 0
Assuming D5 is just text and not a formatted date try this formula in C12 copied across

=IF($C5+C10/24<0,TEXT(MATCH(LEFT($D5,2),{"Mo","Tu","We","Th","Fr","Sa","Su"},0),"dddd"),$D5)
 
Upvote 0
Excellent! That works great. How does it work though? I thought that the Match(Left()) would return Friday and not the day before... Confused. Awesome though! Thanks!
 
Upvote 0

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