Compare Guangzhou and Singapore — meeting overlap, time difference and best windows

Singapore is in the same time zone as Guangzhou. Use this page as a permanent bookmark for any recurring meeting between the two cities. The hourly grid below is colour-coded so you can pick a comfortable window at a glance.

Guangzhou now
04:06
Singapore now
04:06
Difference
in the same time zone as
Business overlap
8.0 h — Comfortable overlap
CityCountryIANA zoneLocal timeUTC offset
GuangzhouChinaAsia/Shanghai04:06UTC+08:00
SingaporeSingaporeAsia/Singapore04:06UTC+08:00

Hourly overlap calendar (next 24 hours)

Both cities in 09:00–17:00 — green light One side in business hours — possible Both outside business hours — avoid
Guangzhou (CST)Singapore (+08)Status
04:00, Fri 04:00, Fri Outside both
05:00, Fri 05:00, Fri Outside both
06:00, Fri 06:00, Fri Outside both
07:00, Fri 07:00, Fri Outside both
08:00, Fri 08:00, Fri Outside both
09:00, Fri 09:00, Fri Both in business hours
10:00, Fri 10:00, Fri Both in business hours
11:00, Fri 11:00, Fri Both in business hours
12:00, Fri 12:00, Fri Both in business hours
13:00, Fri 13:00, Fri Both in business hours
14:00, Fri 14:00, Fri Both in business hours
15:00, Fri 15:00, Fri Both in business hours
16:00, Fri 16:00, Fri Both in business hours
17:00, Fri 17:00, Fri Outside both
18:00, Fri 18:00, Fri Outside both
19:00, Fri 19:00, Fri Outside both
20:00, Fri 20:00, Fri Outside both
21:00, Fri 21:00, Fri Outside both
22:00, Fri 22:00, Fri Outside both
23:00, Fri 23:00, Fri Outside both
00:00, Sat 00:00, Sat Outside both
01:00, Sat 01:00, Sat Outside both
02:00, Sat 02:00, Sat Outside both
03:00, Sat 03:00, Sat Outside both

Recommended meeting window

You have a 8.0-hour window of overlapping business hours each weekday: roughly 09:00 to 17:00 in the first city. Pick a slot near the centre of that window to give both sides time to settle in and to handle follow-ups.

If you need to set a recurring meeting, anchor it on the calendar of whichever side the meeting matters more to and let the other side's invite render in their local zone. As long as both calendars store the meeting against an IANA identifier (which all modern calendar apps do by default) the meeting will follow daylight saving correctly without you needing to adjust it twice a year.

For one-off interviews, sales calls or external customer meetings, default to a slot that is firmly inside Guangzhou's 10:00–16:00 working window — the deeper interior of the day reads as polite in nearly every business culture, and gives you buffer if a previous meeting overruns.

Convert a specific time

Use the embedded converter below to translate any time of day from Guangzhou into Singapore.

Background on these two zones

Guangzhou sits in the Asia/Shanghai IANA zone, currently at UTC+08:00. Singapore sits in Asia/Singapore, currently at UTC+08:00. The current difference of in the same time zone as reflects whichever side, if any, is currently observing daylight saving time. If one side enters or leaves daylight saving while the other does not, the gap between the two cities will shift by exactly one hour — usually for several months.

You can read more about the rules behind those transitions on the dedicated zone pages: Asia/Shanghai and Asia/Singapore. The daylight saving survival guide explains how to keep recurring cross-border meetings from drifting twice a year.