Time difference between Chicago and Guam
Compare the current local time in Chicago and Guam, see when your working hours overlap, and convert any specific hour between the two timezones.
--:--
—
--:--
—
Convert a specific time
--:--
--:--
Working-hours overlap
When Chicago's 9:00–17:00 business hours overlap with Guam's.
Chicago working hours
Guam working hours
Overlap (both working)
🇺🇸 Chicago
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
🇬🇺 Guam
Scheduling across Chicago and Guam
Scheduling between Chicago and Guam is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 1 hour between Chicago closing at 17:00 local and Guam opening at 09:00 local. Practical bridging slots: an early Guam start at 08:00 (catching Chicago just at close, 17:00), or a late Chicago call at 18:00 (catching Guam at opening, 09:00).
Quick reference
| 🇺🇸 Chicago | 🇬🇺 Guam | In Guam it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
Daylight saving status
🇺🇸 Chicago
Currently in CDT (daylight saving)
Clocks go back to CST
on Sunday 1 November 2026
🇬🇺 Guam
Guam does not observe daylight saving time. The local offset is fixed year-round.