1 Time Zone:
Central Time CST / CDT
UTC -6 (in winter) UTC -5 (in summer)
Illinois is in the Central Time zone in US.
it is -6h behind Greenwich Time
and -5h in daylight saving time.
|A - D||D - Z|
The current time zone is shown on the right side of the locality.
Daylight Saving Time or summer time, -except Lord Howe Island- it is 1h. more with respect to the standard o local time zone.
Winter Time or Standard local time UTC/ GMT, is the one used the rest of the year, when there is no DST summer time.
Do not use daylight saving time throughout the year. (No Daylight Saving Time). The whole year uses the same time zone.
The hours +1h. +2h. etc. o -1h. -2h. etc. which appear to the right side of to the Locality, inticate the Current Time Zone of the Locality just at the time of consultation.
For example, if the symbol appears on the clock and you want to know the local time zone, the (UTC/GMT), you must subtract one hour (except Lord Howe 30 minutes)If the clock shows the symbol it corresponds just with the standard time zone of the locality UTC/GMT, or the winter time.
The time with the symbol , as well as the winter symbol, corresponds to the local time or standard UTC/GMT time zone, with the difference that the time zone does not change throughout the year.Some examples with No dst: Hawaii - Iceland - India - Argentina - Peru - Arizona - China - Russia - Venezuela - Ecuador - Sonora - Cancún.