Hertford to Sydney time converter

Sydney is 10 hours ahead of Hertford. When it is 9:00 AM in Hertford, it is 7:00 PM in Sydney.

Hertford BST

Monday, October 19, 2026

Sydney AEDT

Tuesday, October 20, 2026

Hertford
United Kingdom
Mon, Oct 19
BSTUTC+1
Sydney
New South Wales, Australia
Tue, Oct 20
AEDTUTC+11+10h
Finding your time zone…
Shared working hours (9:00–18:00)

Hertford to Sydney conversion table

Every hour of today in Hertford and the matching time in Sydney. Light rows are typical working hours (9:00–18:00).

HertfordSydney
12:00 AM10:00 AM
1:00 AM11:00 AM
2:00 AM12:00 PM
3:00 AM1:00 PM
4:00 AM2:00 PM
5:00 AM3:00 PM
6:00 AM4:00 PM
7:00 AM5:00 PM
8:00 AM6:00 PM
9:00 AM7:00 PM
10:00 AM8:00 PM
11:00 AM9:00 PM
12:00 PM10:00 PM
1:00 PM11:00 PM
2:00 PM12:00 AM+1 day
3:00 PM1:00 AM+1 day
4:00 PM2:00 AM+1 day
5:00 PM3:00 AM+1 day
6:00 PM4:00 AM+1 day
7:00 PM5:00 AM+1 day
8:00 PM6:00 AM+1 day
9:00 PM7:00 AM+1 day
10:00 PM8:00 AM+1 day
11:00 PM9:00 AM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Hertford (5:00 PM – 6:00 PM in Sydney): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Hertford and Sydney switch clocks on different dates:

  • Oct 19, 2026 – Oct 25, 2026: +10h
  • Oct 25, 2026 – Mar 28, 2027: +11h
  • Mar 28, 2027 – Apr 3, 2027: +10h
  • Apr 3, 2027 – Oct 2, 2027: +9h
  • Oct 2, 2027 – Oct 19, 2027: +10h

Distance

Hertford and Sydney are 16,975 km (10,548 miles) apart in a straight line.

More conversions

Sydney to HertfordHertford to New YorkHertford to LondonHertford to Los AngelesHertford to ChicagoHertford to TorontoHertford to São PauloHertford to ParisHertford to BerlinHertford to MoscowHertford to DubaiHertford to New DelhiHertford to Bangkok
New York to SydneyLondon to SydneyLos Angeles to SydneyChicago to SydneyToronto to SydneySão Paulo to SydneyParis to SydneyBerlin to SydneyMoscow to SydneyDubai to SydneyNew Delhi to SydneyBangkok to Sydney

Questions and answers

What is the time difference between Hertford and Sydney?

Sydney is 10 hours ahead of Hertford.

What time is it in Sydney when it is 9 AM in Hertford?

When it is 9:00 AM in Hertford, it is 7:00 PM in Sydney.

When is the best time to call Sydney from Hertford?

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Hertford (5:00 PM – 6:00 PM in Sydney): working hours on one side, early or late on the other.

Does the time difference between Hertford and Sydney change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.