3Com SuperStack II 9300 Command Reference Manual page 105

System Time Timezone Example (3500)
Select menu option (system/sntp): timez
Index
1 [GMT+0:00] GMT/WET/UT
2 [GMT-1:00] WAT
3 [GMT-2:00] AT
4 [GMT-3:00] Brasilia/Buenos Ar/GeorgeTown
5 [GMT-4:00] AST
6 [GMT-5:00] EST
7 [GMT-6:00] CST
8 [GMT-7:00] MST
9 [GMT-8:00] PST
10 [GMT-9:00] YST
11 [GMT-10:00] AHST/CAT/HST
12 [GMT-11:00] NT
13 [GMT-12:00] IDLW
14 [GMT+1:00] CET/FWT/MET/MEWT/SWT
15 [GMT+2:00] EET
16 [GMT+3:00] BT
17 [GMT+4:00] ZP4
18 [GMT+5:00] ZP5
19 [GMT+5:30] Bombay/Calcutta/Madras/New
20 [GMT+6:00] ZP6
21 [GMT+7:00] WAST
22 [GMT+8:00] CCT
23 [GMT+9:00] JST
24 [GMT+9:30] Darwin/Adelaide
25 [GMT+10:00] EAST/GST
26 [GMT+11:00] Magadan/Solomon Is/N. Caledonia
27 [GMT+12:00] IDLE/NZST/NZT
28 Input an offset from GMT
Select timezone index {1-28|?} [1]:
Time Zone
Dehli/Colombo
system time timezone 105