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3.3.14. UTC Offset

Value Name

UTC-OFFSET

Purpose

This value type is used to identify properties that contain an offset from UTC to local time.

Format Definition

This value type is defined by the following notation:

 utc-offset = time-numzone

 time-numzone = ("+" / "-") time-hour time-minute [time-second]

Description

The PLUS SIGN character MUST be specified for positive UTC offsets (i.e., ahead of UTC). The HYPHEN-MINUS character MUST be specified for negative UTC offsets (i.e., behind of UTC). The

value of "-0000" and "-000000" are not allowed. The time-second, if present, MUST NOT be 60; if absent, it defaults to zero.

No additional content value encoding (i.e., BACKSLASH character encoding, see Section 3.3.11) is defined for this value type.

Example

The following UTC offsets are given for standard time for New York (five hours behind UTC) and Geneva (one hour ahead of UTC):

 -0500

 +0100

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