Live Synchronized Time Difference
SingaporetoChicagoTime Difference
🇸🇬
Singapore
Singapore (GMT+8)23:10:19UTC+8:00
🇺🇸
Chicago
United States (CDT)10:10:19UTC-5:00
Direct Distance15,072 km (9,365 miles)
Estimated Flight Time~18.2 hours
Business Overlap0 overlapping hours (9am–5pm)
Feasible Shoulder Hours Window
Recommended calling window between Singapore and Chicago
Off-Peak Calling Window
Singapore Time
7:00 AM – 9:00 PM
Chicago Time
6:00 PM – 8:00 AM
There are no overlapping 9-to-5 working hours between Singapore and Chicago. The optimal compromise window falls during morning/evening shoulder periods (7:00 AM – 9:00 PM) when participants in both locations are awake.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between Singapore and Chicago.
Work (9am-5pm)ShoulderSleep / Off
| Singapore Time (Singapore) | Chicago Time (United States) | Status & Recommendation |
|---|---|---|
| 00:00AM | 11:00AM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 12:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 13:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 14:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 15:00PM-1 day | ⚪ Outside Work Hours |
| 05:00AM | 16:00PM-1 day | ⚪ Outside Work Hours |
| 06:00AM | 17:00PM-1 day | ⚪ Outside Work Hours |
| 07:00AM | 18:00PM-1 day | ⚪ Outside Work Hours |
| 08:00AM | 19:00PM-1 day | ⚪ Outside Work Hours |
| 09:00AM | 20:00PM-1 day | 🟡 Feasible (Shoulder Hour) |
| 10:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 11:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 12:00PM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 13:00PM | 00:00AM | ⚪ Outside Work Hours |
| 14:00PM | 01:00AM | ⚪ Outside Work Hours |
| 15:00PM | 02:00AM | ⚪ Outside Work Hours |
| 16:00PM | 03:00AM | ⚪ Outside Work Hours |
| 17:00PM | 04:00AM | ⚪ Outside Work Hours |
| 18:00PM | 05:00AM | ⚪ Outside Work Hours |
| 19:00PM | 06:00AM | ⚪ Outside Work Hours |
| 20:00PM | 07:00AM | ⚪ Outside Work Hours |
| 21:00PM | 08:00AM | ⚪ Outside Work Hours |
| 22:00PM | 09:00AM | ⚪ Outside Work Hours |
| 23:00PM | 10:00AM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between Singapore and Chicago?
Chicago is 13 hours behind Singapore.
What is the best time to schedule a cross-border meeting between Singapore and Chicago?
Because of the wide timezone separation, a compromise meeting window during early morning in one location and evening in the other is recommended.
Does daylight saving time (DST) affect the time difference between Singapore and Chicago?
Yes. If either Singapore or United States observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.