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Adjust for Daylight Savings Time

Posted on 2011-03-20
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Last Modified: 2012-08-13
Sheet >> https://spreadsheets.google.com/ccc?key=0ApGg6c9aeywQdGZ5VzcxZHljZkJjQmJ5Y2hJMFgzYUE&hl=en  

I need to allow people to select between daylight savings time ON (+1) or OFF (-1) which should adjust the time up/down by one hour on that setting.

If possible, I'd like also to rename the existing selection mouse-overs to say simply "Select A Time Zone" and nothing else.

Assistance is greatly appreciated.
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Question by:rtod2
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by:Curt Lindstrom
ID: 35178298
Ok, I'm working on this right now. Will post the solution here in a few minutes

Curt
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Author Comment

by:rtod2
ID: 35178340
Sorry Curt.  Off should remain unchanged and On should be (+1).  This would make a -6 default setting for central time for instance move up to -5.
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LVL 18

Expert Comment

by:Curt Lindstrom
ID: 35178386
I believe I got this working now.
Formulas have changed to include a lookup from a new small table on sheet3 with ON (+ 1) and OFF (0) adding 1 or 0 to the times.
Formula as added in column G and copied down to the end of current page
=if(A2="","",text(now()+vlookup(B2,sheet3!A:B,2,false)/24+vlookup(C2,sheet3!C:D,2,false)/24+5/24,"HH:mm:ss"))
The same vlookup has been added to the formulas in column D-F

Cheers,
Curt
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Curt Lindstrom earned 500 total points
ID: 35178389
Ted,

I worked that one out :-) I'm adding 1 when ON and 0 when OFF.

Curt
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Author Closing Comment

by:rtod2
ID: 35178431
Good stuff.  Can you fix the mouse-over text so that it it only shows the message to the user.
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Author Comment

by:rtod2
ID: 35178459
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