Guyana
Time now in Perth
Sunrise 05:45Sunset 06:03Time zone UTC −4
Time zone
America/Guyana
UTC offset
UTC −4
Daylight saving
Not in effect
Population
28
Sunrise
05:45
Sunset
06:03
Day length
12h 18m
Coordinates
6.55, -57.80
Time difference from Perth
Hours ahead (right) or behind (left) Perth right now.
Perth on the map
About the time in Perth
Clocks in Perth stay put all year. There is no summer-time switch to remember, so UTC −4 is what you will get in January and in July alike — useful if you book recurring calls with people in Guyana.
Perth runs on America/Guyana, which puts the city UTC −4 from Coordinated Universal Time right now. The clock at the top of this page is not copied from your device: it is anchored to our reference timestamp and re-rendered every second against the IANA time zone database, so it stays right even when a laptop or phone has quietly drifted.
The zone identifier America/Guyana is the value you want in code, calendars and travel systems. Abbreviations change with the season, but America/Guyana keeps pointing at Guyana time whatever the date, which is why every timestamp on this page is built from it.
Frequently asked questions about time in Perth
- What time is it in Perth right now?
- The live clock above shows the current time in Perth, updating every second from America/Guyana (UTC −4).
- What are normal business hours in Perth in UTC?
- A 09:00–17:00 working day in Perth runs from 13:00–21:00 UTC today.
- When do the sun rise and set in Perth today?
- Sunrise is at 05:45 and sunset at 06:03, giving 12h 18m of daylight.
- Which time zone is Perth in?
- Perth uses America/Guyana, currently UTC −4.
89 places in Guyana
Other cities in the same country, sized by population.