Asia/Macau is an IANA time zone used in Macao. It stays on UTC+8 all year.
Asia/Macau at a glance
Rules of the Asia/Macau time zone
Asia/Macau has stayed on UTC+8 since its last daylight saving period in 1979. Software that still applies an old rule will show the wrong time, so keep tz data up to date.
Recent and upcoming changes in Asia/Macau
| Date | Change | New offset |
|---|---|---|
| Sunday, April 18, 1976 | Clocks go forward 1 hour: 3:30 AM becomes 4:30 AM | UTC+9 |
| Sunday, October 17, 1976 | Clocks go back 1 hour: 3:30 AM becomes 2:30 AM | UTC+8 |
| Sunday, May 13, 1979 | Clocks go forward 1 hour: 3:30 AM becomes 4:30 AM | UTC+9 |
| Sunday, October 21, 1979 | Clocks go back 1 hour for good: 3:30 AM becomes 2:30 AM | UTC+8 |
Where Asia/Macau is used
Asia/Macau is used in Macao. These are the largest cities in our list that follow it.
Asia/Macau compared with other time zones
Differences change during the year when one side moves to or from daylight saving time, so the table shows January and July separately.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| New York (United States) | --:-- | 13 h behind | 13 h behind | 12 h behind |
| Los Angeles (United States) | --:-- | 16 h behind | 16 h behind | 15 h behind |
| London (United Kingdom) | --:-- | 8 h behind | 8 h behind | 7 h behind |
| Paris (France) | --:-- | 7 h behind | 7 h behind | 6 h behind |
| Dubai (United Arab Emirates) | --:-- | 4 h behind | 4 h behind | 4 h behind |
| Mumbai (India) | --:-- | 2 h 30 min behind | 2 h 30 min behind | 2 h 30 min behind |
| Singapore | --:-- | Same time | Same time | Same time |
| Tokyo (Japan) | --:-- | 1 h ahead | 1 h ahead | 1 h ahead |
| Sydney (Australia) | --:-- | 3 h ahead | 3 h ahead | 2 h ahead |
| UTC | --:-- | 8 h behind | 8 h behind | 8 h behind |
Other zones on UTC+8 right now
These IANA zones show the same time as Asia/Macau today. Their clock-change rules may differ.
- Asia/Brunei
- Asia/Hong_Kong
- Asia/Irkutsk
- Asia/Kuala_Lumpur
- Asia/Kuching
- Asia/Makassar
- Asia/Manila
- Asia/Shanghai
- Asia/Singapore
- Asia/Taipei
- Asia/Ulaanbaatar
- Australia/Perth
Using Asia/Macau in software
Store and send the zone as its IANA name, Asia/Macau, not as a fixed offset. A fixed offset such as UTC+8 gives the wrong result after the next clock change.
Show the current time in Asia/Macau:
// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'Asia/Macau', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('Asia/Macau'))
// PHP
(new DateTime('now', new DateTimeZone('Asia/Macau')))->format('c');
# Shell
TZ=Asia/Macau dateTools for time in Asia/Macau
- Convert a time to or from Asia/Macau: pick a date and time and see it in every city on your list.
- Add Macao to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Asia/Macau and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What is the UTC offset of Asia/Macau?
UTC+8, all year.
What abbreviation does Asia/Macau use?
CST. Abbreviations are not unique, so use the zone name Asia/Macau in software.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.