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Guam to Chicago time converter

Guam is currently 15 hours ahead of Chicago.

Guam
18:00
Mon, Oct 12
Chicago
03:00
Mon, Oct 12
↑Drag to set time inGuam
00:0006:0012:0018:0024:00
Mon, Oct 12, 2026Mon, Oct 12

Guam to Chicago time conversion table

Times for Mon, Oct 12, 2026 in Guam.

GuamChicago
00:0012:00 AM09:009:00 AMprevious day
01:001:00 AM10:0010:00 AMprevious day
02:002:00 AM11:0011:00 AMprevious day
03:003:00 AM12:0012:00 PMprevious day
04:004:00 AM13:001:00 PMprevious day
05:005:00 AM14:002:00 PMprevious day
06:006:00 AM15:003:00 PMprevious day
07:007:00 AM16:004:00 PMprevious day
08:008:00 AM17:005:00 PMprevious day
09:009:00 AM18:006:00 PMprevious day
10:0010:00 AM19:007:00 PMprevious day
11:0011:00 AM20:008:00 PMprevious day
12:0012:00 PM21:009:00 PMprevious day
13:001:00 PM22:0010:00 PMprevious day
14:002:00 PM23:0011:00 PMprevious day
15:003:00 PM00:0012:00 AM
16:004:00 PM01:001:00 AM
17:005:00 PM02:002:00 AM
18:006:00 PM03:003:00 AM
19:007:00 PM04:004:00 AM
20:008:00 PM05:005:00 AM
21:009:00 PM06:006:00 AM
22:0010:00 PM07:007:00 AM
23:0011:00 PM08:008:00 AM

What is the time difference between Guam and Chicago?

Guam is currently 15 hours ahead of Chicago. The difference can change when either city switches to or from daylight saving time.

Is Guam ahead of or behind Chicago?

Guam is ahead of Chicago by 15 hours. When it is 12:00 in Chicago, it is 3:00 on the next day in Guam.

When it is 9:00 in Guam, what time is it in Chicago?

When it is 9:00 in Guam, it is 18:00 on the previous day in Chicago.

Does the time difference between Guam and Chicago change?

Yes. On Sun, Nov 1, 2026, Chicago moves its clocks back 1 hour, so Guam will be 16 hours ahead of Chicago.

What is the best time for a call between Guam and Chicago?

Regular 9:00 to 17:00 working hours don't overlap. The best compromise is 7:00 to 13:00 in Guam, which is 16:00 to 22:00 on the previous day in Chicago, when it is between 7:00 and 22:00 in both cities.