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How to Configure DHCP Option 2 (Time Offset)

Description

The time offset field specifies the offset of the client’s subnet in seconds from Coordinated Universal Time (UTC).  The offset is expressed as a two’s complement 32-bit integer.  A positive offset indicates a location east of the zero meridian and a negative offset indicates a location west of the zero meridian. The code for the time offset option is 2, and its length is 4 octets”  RFC 2132.

GMT offset
(in hr)
GMT offset in seconds GMT offset in Hexadecimal
0 0 0x00000000
+1 3600 0x00000E10
+2 7200 0x00001C20
+3 10800 0x00002A30
+4 14400 0x00003840
+5 18000 0x00004650
+6 21600 0x00005460
+7 25200 0x00006270
+8 28800 0x00007080
+9 32400 0x00007E90
+10 36000 0x00008CA0
+11 39600 0x00009AB0
+12 43200 0x0000A8CD
-1 N/A 0xFFFFF1F0
-2 N/A 0xFFFFE3E0
-3 N/A 0xFFFFD5D0
-4 N/A 0xFFFFC7CD
-5 N/A 0xFFFFB9B0
-6 N/A 0xFFFFABA0
-7 N/A 0xFFFF9D90
-8 N/A 0xFFFF8F80
-9 N/A 0xFFFF8170
-10 N/A 0xFFFF7360
-11 N/A 0xFFFF6550