This error occurs when the time zone element of a date is incorrectly formatted. Time zone information is not required when entering dates, but is recommended. Dates must be in the standard ISO-compliant format.
As an example, if you include a time zone, February 29, 2008, 1:10:30 p.m. in Seattle should be expressed as:
The ISO standard is based on Greenwich Mean Time (GMT). If you're in the Pacific Time Zone, you are 8 hours off GMT (7 hours off GMT in Daylight Savings). This is indicated by the "-8:00" in the formula above. If you're in the Eastern Time Zone, you are 5 hours off GMT (4 hours off GMT in Daylight Savings).
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