Singapore is 13 hours ahead of Chicago. When Singapore clocks hit noon, Chicago reads 23:00.
Singapore observes Asia/Singapore and Chicago observes America/Chicago — a 13 hours gap between them.
Mutual working hours
When Singapore is in standard working hours, Chicago is not — and vice versa. There is no mutual business window between these two locations.
Optimal meeting slots
No business hours overlap exists between Singapore and Chicago. Showing the most balanced options with minimal inconvenience for both locations.
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
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
Singapore3 holidays
Aug 10National Day
Nov 9Deepavali
Dec 25Christmas Day
Chicago7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
Working across Singapore and Chicago
Singapore (Singapore) and Chicago (USA) are 13 hours apart — far enough that standard 9–5 schedules do not overlap. Any real-time meeting means someone is joining outside their normal hours.
💡 Best practice for cross-timezone meetings
⚡
05:00–06:00 in Singapore corresponds to 16:00–17:00 in Chicago (4h before working hours in Singapore).
⚡
09:00–10:00 in Singapore corresponds to 20:00–21:00 in Chicago (4h after working hours in Chicago).
⚡
04:00–05:00 in Singapore corresponds to 15:00–16:00 in Chicago (5h before working hours in Singapore).
Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any Singapore time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
