Elenco Night’n Day® - Manual (Page 6)

To adjust the time, refer to your position on the time zone map and
turn the globe to your position from the Greenwich meridian line
GMT
-11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10 +11 + 12 –
9 10