No overlap — one side will join outside working hours
SGT (Singapore)
CDT (Chicago)
00:00
11:00-1dWorking
01:00
12:00-1dWorking
02:00
13:00-1dWorking
03:00
14:00-1dWorking
04:00
15:00-1dWorking
05:00
16:00-1dWorking
06:00
17:00-1d
07:00
18:00-1d
08:00
19:00-1d
09:00Working
20:00-1doff
10:00Working
21:00-1doff
11:00Working
22:00-1doff
12:00Working
23:00-1doff
13:00Working
00:00off
14:00Working
01:00off
15:00Working
02:00off
16:00Working
03:00off
17:00
04:00
18:00
05:00
19:00
06:00
20:00
07:00
21:00
08:00
22:00
09:00Working
23:00
10:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between sgt and cdt?
Singapore Time (sgt) is UTC+8 and Central Daylight Time (cdt) is UTC-5. The difference between them is 13 hours.
Where is sgt used?
Singapore Time (sgt) is used in Singapore and surrounding regions. The IANA timezone identifier is Asia/Singapore.
Where is cdt used?
Central Daylight Time (cdt) is used in USA and surrounding regions. The IANA timezone identifier is America/Chicago.
How do I convert sgt to cdt?
Use the interactive converter above. Drag the time slider to any sgt time and the cdt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
Time difference: SGT (Singapore) and CDT (Chicago)
SGT (Singapore) is 13 hours ahead of CDT (Chicago). When it's noon in SGT (Singapore), it's 23:00 in CDT (Chicago).
SGT (Singapore) is in the Asia/Singapore timezone. CDT (Chicago) is in America/Chicago. The difference is 13 hours.
Business hours comparison
SGT (Singapore) and CDT (Chicago) have no shared working hours under a standard 9:00–17:00 schedule. One side will always need to join at an off-hour.
Recommended meeting windows
Since SGT (Singapore) and CDT (Chicago) don't share working hours, these are the most practical options available.
05:00 Singapore / 16:00 Chicago⚡ One side off-hours
⚠️ 4h before working hours in Singapore
09:00 Singapore / 20:00 Chicago⚡ One side off-hours
⚠️ 4h after working hours in Chicago
04:00 Singapore / 15:00 Chicago⚡ One side off-hours
⚠️ 5h before working hours in Singapore
Based on standard 09:00–17:00 working hours in each location's local time.
Public holidays this year
⚡ Upcoming holidays in both locations, confirm with your contact before booking.
SGT (Singapore)3 holidays
Aug 10National Day
Nov 9Deepavali
Dec 25Christmas Day
CDT (Chicago)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
SGT (Singapore) and CDT (Chicago) — practical scheduling
Teams in SGT (Singapore) (Singapore) and CDT (Chicago) (USA) deal with a 13-hour gap that pushes their working days apart. Real-time meetings always require someone to stretch outside the standard 9–5.
💡 Practical scheduling guidelines
⚡
When SGT (Singapore) is at 05:00, CDT (Chicago) reads 16:00 — 4h before working hours in Singapore.
⚡
When SGT (Singapore) is at 09:00, CDT (Chicago) reads 20:00 — 4h after working hours in Chicago.
⚡
When SGT (Singapore) is at 04:00, CDT (Chicago) reads 15:00 — 5h before working hours in Singapore.
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Use the time slider above to find the exact equivalent time for any moment in SGT (Singapore). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
