Sydney to Longmont time converter

Longmont is 17 hours behind Sydney. When it is 9:00 AM in Sydney, it is 4:00 PM (Sun, Oct 18) in Longmont.

Sydney AEDT

Monday, October 19, 2026

Longmont MDT

Sunday, October 18, 2026

Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11
Longmont
Colorado, United States
Sun, Oct 18
MDTUTC-6-17h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Longmont conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 11:00 AM in Sydney (4:00 PM – 6:00 PM in Longmont).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: -17h
  • Nov 1, 2026 – Mar 14, 2027: -18h
  • Mar 14, 2027 – Apr 4, 2027: -17h
  • Apr 4, 2027 – Oct 3, 2027: -16h
  • Oct 3, 2027 – Oct 19, 2027: -17h

Distance

Sydney and Longmont are 13,415 km (8,336 miles) apart in a straight line.

More conversions

Longmont 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 LongmontLondon to LongmontLos Angeles to LongmontChicago to LongmontToronto to LongmontSão Paulo to LongmontParis to LongmontBerlin to LongmontMoscow to LongmontDubai to LongmontNew Delhi to LongmontBangkok to Longmont

Questions and answers

What is the time difference between Sydney and Longmont?

Longmont is 17 hours behind Sydney.

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

When it is 9:00 AM in Sydney, it is 4:00 PM (Sun, Oct 18) in Longmont.

When is the best time to call Longmont from Sydney?

Both sides are at work from 9:00 AM – 11:00 AM in Sydney (4:00 PM – 6:00 PM in Longmont).

Does the time difference between Sydney and Longmont change?

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