Sydney to Christmas Island time converter

Christmas Island is 4 hours behind Sydney. When it is 9:00 AM in Sydney, it is 5:00 AM in Christmas Island.

Sydney AEDT

Wednesday, October 21, 2026

Christmas Island UTC+7

Wednesday, October 21, 2026

Sydney
New South Wales, Australia
Wed, Oct 21
AEDTUTC+11
Christmas Island
Wed, Oct 21
UTC+7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Christmas Island conversion table

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

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

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in Sydney (9:00 AM – 2:00 PM in Christmas Island).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Apr 4, 2027: -4h
  • Apr 4, 2027 – Oct 3, 2027: -3h
  • Oct 3, 2027 – Oct 21, 2027: -4h

More conversions

Christmas Island to SydneySydney to New YorkSydney to LondonSydney to Los AngelesSydney to ChicagoSydney to TorontoSydney to São PauloSydney to ParisSydney to BerlinSydney to MoscowSydney to DubaiSydney to New DelhiSydney to Bangkok
New York to Christmas IslandLondon to Christmas IslandLos Angeles to Christmas IslandChicago to Christmas IslandToronto to Christmas IslandSão Paulo to Christmas IslandParis to Christmas IslandBerlin to Christmas IslandMoscow to Christmas IslandDubai to Christmas IslandNew Delhi to Christmas IslandBangkok to Christmas Island

Questions and answers

What is the time difference between Sydney and Christmas Island?

Christmas Island is 4 hours behind Sydney.

What time is it in Christmas Island when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 5:00 AM in Christmas Island.

When is the best time to call Christmas Island from Sydney?

Both sides are at work from 1:00 PM – 6:00 PM in Sydney (9:00 AM – 2:00 PM in Christmas Island).

Does the time difference between Sydney and Christmas Island change?

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