Time Difference Between Great Falls and Sydney
Sydney is 16 hours ahead Great Falls.
United States
Great Falls
America/Denver · UTC-6
Australia
Sydney
Australia/Sydney · UTC+10
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both Great Falls and Sydney.
Great Falls
5:00 PM
Sydney
9:00 AM
Great Falls to Sydney — 24-Hour Conversion
Each row shows the equivalent local time in Sydney for an hour in Great Falls. Working-hours rows (9–18) are highlighted.
| Great Falls | Sydney | Match |
|---|---|---|
| Workday in Sydney | ||
| Workday in Sydney | ||
| Off hours | ||
| Off hours | ||
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| Off hours | ||
| +1 day | Off hours | |
| +1 day | Workday in Great Falls | |
| +1 day | Workday in Great Falls | |
| +1 day | Workday in Great Falls | |
| +1 day | Workday in Great Falls | |
| +1 day | Workday in Great Falls | |
| +1 day | Workday in Great Falls | |
| +1 day | Workday in Great Falls | |
| +1 day | Workday in Great Falls | |
| +1 day | Best for meetings | |
| +1 day | Workday in Sydney | |
| +1 day | Workday in Sydney | |
| +1 day | Workday in Sydney | |
| +1 day | Workday in Sydney | |
| +1 day | Workday in Sydney | |
| +1 day | Workday in Sydney |
Frequently Asked Questions
What is the time difference between Great Falls and Sydney?
Sydney, Australia (UTC+10) is 16 hours ahead Great Falls, United States (UTC-6).
What is the best time to schedule a meeting between Great Falls and Sydney?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between Great Falls and Sydney?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in Great Falls, what time is it in Sydney?
Use the conversion table on this page — every hour in Great Falls is mapped to its equivalent local time in Sydney, including day shift markers when the date differs.