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GetThailandSummerTime ( Start ; End )

custom function to get summertime in thailand

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Watchara Yarnu

http://www.giggogchang.wordpress.com

Sample input:

GetThailandSummerTime (2014 ; "Start")

GetThailndSummerTime (2014 ; "End")

Sample output:

1-3-2014

1-5-2014

Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

If(IsEmpty(numYear) = 0 and (txtParameter = "Start" or txtParameter = "End");
Let(intMonth = If(txtParameter = "Start" ; 3 ; 1);
Date(intMonth ; 31 - DayOfWeek(Date(intMonth ; 31 ; numYear)) + 1 ; numYear)))

custom function to get summertime in thailand

Comments

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