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August 23, 2005 at 2:00 pm #88001
Software Bisque Knowledge Base Article – 72
CAN’T ENTER A NEGATIVE TIME ZONE IN THESKY VERSION 5
Because the user is located in a region whose time zone does not follow the convention*, the Sky Display and/or reported Universal Time (UT) are two hours off. Entering a negative time zone would fix the problem, however TheSky forces this back to a positive value.
*Eastern longitudes are normally ahead of UT, Western longitudes are normally behind UT.
The behavior is by design. Entering a negative time zone into TheSky Version 5 always results in a positive value being displayed in the Date & Time dialog box.
TheSky versions 5.00.010 and earlier by default use the input longitude to determine the sign of time zone offset from UT. Some non-standard time zone locations do not follow this convention. An example of a non-standard time zone is one that is West of the Prime Meridian, but ahead of universal time (UT) as is the case in parts of France and Spain.
TheSky version 5.00.010 and earlier can be configured to accept non-standard time zones in the following manner:
1. Close TheSky version 5.
2. Open the Registry Editor (click Start | Run, enter REGEDIT in
the Open text box and then click OK).
3. Select the HKEY_CURRENT_USER folder .
4. Open the Software/Software Bisque/TheSky/MISCELLANEOUS key.
5. If this key is not present, add a value named “EnterNegativeTimeZones” (without the quotation marks) of type string (Edit, New, String Value).
6. Set the value of the EnterNegativeTimeZones key to “TRUE” (without the quotation marks).
7. Click Registry | Exit (your changes will automatically be saved).
Once this configuration is complete, you will be able to define a negative time zone under TheSky’s Data, Site Information dialog box to accommodate the non-standard time zone.
TheSky version 5.00.011 and later (available from the Software Bisque Download Page web page since January 2001) allows this option to be specified by clicking Data | Options.
TheSky Version 5, Level I, II, III and IV.
This article was formerly published under the identifier Q161KB in Software Bisque’s prior knowledge base.
Last Reviewed: 11/24/2004
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