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• FileTimeGet and TimeStamp in File
• FileTimeSet Function
• FileTimeSetEx January 1 1980
• Find DayLightBias
• Find the day of week
• Finding Average time
• Fixdate with 0 Padding
• Fractional TimeDelay Problem
• Get Clock Speed
• Get day of Year Julian date
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• Net Time Command Equivalent
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• Obtain the Julian day of year and week
• Parsing a Date and FileTimeGet Issues
• Reformat TimeDate for Display
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• Run Script Once a Day
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• Script to Launch at the Time of Login
• Sendkey for current date in format MMDDYY
• Set Daylight Savings Time 2007
• Setting Time from Time Servers
• Setting Time Zone
• Sort files by date
• Synchronize Tme between Workstation and Server
• Taskbar Timer
• Time - First Sunday, Last Sunday of Month
• Time Limited Dialogs
• Time Math
• Time Stamp Changes with Daylight Savings
• TimeDelays and Tight Loops
• TimeDiff Unable to Subtract Values
• TimeJultoymd problem
• Timer to Start Every Day or M-F at a Specific Hour
• TimeWait Examples
• TimeWait Scheduling Routine
• TimeWait then Time Sleep for Awhile
• Timing and Wakeup Scripts
• Tomorrows Day of the Week
• Unix standard time calculator
• WinBatch and Daylight Savings Time 2007
• Yesterday Script - Subtract a Day
• ZEN Date Conversion

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How do I determine the DayLightBias with WinBatch.

Keywords:    RegqueryBin Day light savings Daylightbias 

Question:

I am reading a binary value from the registry called DaylightBias. It gives the offset in minutes from Daylight savings time. How can I convert this binary value?

Answer:

AddExtender("wilx34I.dll")

Xdaylightbias=RegQueryBin(@REGMACHINE, "System\CurrentControlSet\control\TimeZoneInformation[DaylightBias]")
Xbias=RegQueryBin(@REGMACHINE, "System\CurrentControlSet\control\TimeZoneInformation[Bias]")

x1=ItemExtract(1,Xdaylightbias," ")
x2=ItemExtract(2,Xdaylightbias," ")
x3=ItemExtract(3,Xdaylightbias," ")
x4=ItemExtract(4,Xdaylightbias," ")
x1=xHex(x1)
x2=xHex(x2)
x3=xHex(x3)
x4=xHex(x4)
daylightbias= (x4 << 24) + (x3 << 16) + (x2 << 8) + x1

x1=ItemExtract(1,Xbias," ")
x2=ItemExtract(2,Xbias," ")
x3=ItemExtract(3,Xbias," ")
x4=ItemExtract(4,Xbias," ")
x1=xHex(x1)
x2=xHex(x2)
x3=xHex(x3)
x4=xHex(x4)
standardtimeoffset= - ((x4 << 24) + (x3 << 16) + (x2 << 8) + x1)

message("GMT offset",standardtimeoffset)
message("Daylight savings time difference",daylightbias)

daylighttimeoffset= standardtimeoffset -  daylightbias

Message("Daylight savings offset",daylighttimeoffset)

exit

Article ID:   W13866

Filename:   Find DayLightBias.txt

File Created: 2001:03:01:12:15:24

Last Updated: 2001:03:01:12:15:24