|
 US standard time zones +inf |
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| Pacific -8 | Mountain -7 | Central -6 | Eastern -5 |
| Time Zone | Time Zone | Time Zone | Time Zone |
Australia spans 5 time zones, 4 main time zones: Western - Central - Eastern - Central Western (Eucla) - and Lord Howe Island. More info. | You can see Australia larger map or World Time Zone Map.
The United States spans 9 time zones, with 4 main time zones, Pacific / Mountain / Central / Eastern. More info. | You can see US larger map
Australia Daylight Saving Time 2024 
On Sunday, October 6, Australia turned the clock forward one hour, at 2:00 a.m. it was 3:00 a.m. More info
US Daylight Saving Time 2024
On Sunday, November 3, the United States turned the clock back one hour, at 2:00 am it was 1:00 am More info
You can quickly check the current time difference between Australia and the USA by viewing the current time zone at the top right of both countries. time zone clocks 
. clock symbols info
For ex. Sydney +10h versus to New York -5h, there is a difference of 15 hours, so Sydney is always 15 hours ahead of New York in standard time. Although due to their opposite latitudes, their different time changes mean that they never coincide in standard time.
You can also refer to the 4 Time Zone Colors 
= Intervals that are multiples of 4 hours between the same colors.
For example, between Sydney, Australia and Illinois, US (both in brown) the time difference (in standard time) will be Sydney 16 hours ahead of Illinois, US. Another example: Melbourne and Texas (both in standard time) will be Melbourne 16 hours ahead of Texas.
Time change and 
time difference Sydney, Australia vs. New York, US • As of (1st Sunday in October) with the start of Australian daylight saving time, Sydney is +11h while USA (still with daylight saving time from March) New York is -4h, so Sydney will be 15 hours ahead of New York.
• As of (1st Sunday in November) with the return to US standard time, New York is -5h and Sydney is +11h, so Sydney will be 16 hours ahead of New York, difference that is maintained until the 2nd Sunday of March of the following year.
• As of (2nd Sunday in March of the following year) with the start of US daylight saving time, New York is -4h and Sydney is +11h, so Sydney will be 15 hours ahead of New York.
• As of (1st Sunday in April) with the return to Australian Standard Time, Sydney is +10h and New York is -4h, so Sydney will be 14 hours ahead of New York.
| Perth - | Darwin - |
| Perth Time Zone +8 No daylight saving |
Darwin Time Zone +9:30 No daylight saving |
 Perth no daylight saving time |
Darwin no daylight saving time |
| Perth time difference with | Darwin time difference with |
| New York | New York |
| Illinois | Illinois |
| Colorado | Colorado |
| Arizona | Arizona |
| California | California |
| Florida | Florida |
| Texas | Texas |
| Hawaii | Hawaii |
| Alaska | Alaska |
| vs. local time | vs. local time |
| Adelaide - | Brisbane - Queensland |
| Adelaide Time Zone +9:30 Daylight saving +10:30 |
Brisbane Time Zone +10 No daylight saving |
| Adelaide daylight saving time |
Brisbane no daylight saving time |
| Adelaide time difference with | Brisbane time difference with |
| New York | New York |
| Illinois | Illinois |
| Colorado | Colorado |
| Arizona | Arizona |
| California | California |
| Florida | Florida |
| Texas | Texas |
| Hawaii | Hawaii |
| Alaska | Alaska |
| vs. local time | vs. local time |
| Sydney - | Melbourne - Victoria |
| Sydney Time Zone +10 Daylight saving +11 |
Melbourne Time Zone +10 Daylight saving +11 |
| Sydney daylight saving time |
Melbourne daylight saving time |
| Sydney time difference with | Melbourne time difference with |
| New York | New York |
| Illinois | Illinois |
| Colorado | Colorado |
| Arizona | Arizona |
| California | California |
| Florida | Florida |
| Texas | Texas |
| Hawaii | Hawaii |
| Alaska | Alaska |
| vs. local time | vs. local time |
| Hobart - Tasmania | Lord Howe Island |
| Hobart Time Zone +10 Daylight saving +11 |
Lord Howe Time Zone +10:30 Daylight saving +11 |
| Hobart daylight saving time |
Lord Howe daylight saving time |
| Hobart time difference with | Lord Howe time difference with |
| New York | New York |
| Illinois | Illinois |
| Colorado | Colorado |
| Arizona | Arizona |
| California | California |
| Florida | Florida |
| Texas | Texas |
| Hawaii | Hawaii |
| Alaska | Alaska |
| vs. local time | vs. local time |
The Clock time is updated with the time change, along with the time zone and summer or winter symbols. + info.
Several states in the Eastern US (Central ← Eastern) and Central US (Mountain ← Central), have locations that use the contiguous states time zone. 
| Western Australia | South Australia |
|---|---|
| Western Standard T. | Current Central Time |
| Perth | Adelaide |
| AWST = std +8 No daylight saving |
ACST = std +9:30 ACDT= dst +10:30 |
| Central Western | Northern Territory |
| Eucla Standard T. | Central Standard Time |
| Eucla | Darwin |
| UTC = std +8:45 No daylight saving |
ACST = std +9:30 No daylight saving |
| Australia Time Zone map - current time | |
| Large cities in Australia by time zones | |
| AWST: Australian Western Standard Time | |
| ACWST: Aust. Central W. Std Time (Eucla) | |
| ACST: Australian Central Standard Time | |
| AEST: Australian Eastern Standard Time | |
| LHST: Lord Howe Standard Time | |
| New South Wales | Victoria |
|---|---|
| Current Eastern time | Current Eastern time |
| Sydney | Melbourne |
| AEST = std +10 AEDT=daylight +11 |
AEST = std +10 AEDT = daylight +11 |
| Queensland | Tasmania |
|---|---|
| Eastern Standard T. | Current Eastern Time |
| Brisbane | Hobart |
| AEST = std +10 No daylight saving |
AEST = std +10 AEDT = daylight +11 |
| Lord Howe Island | |
| Note that Lord Howe only turns the clock forward and back 30 minutes, and ends DST at 2:00 instead of 3:00. See daylight saving | Lord Howe Time |
| Lord Howe | |
| UTC = std +10:30 UTC = dst +11:00 |
| Cocos Islands Time |
|---|
| Cocos Islands |
| UTC = standard +6:30 No daylight saving |
| Cocos Islands: same time zone as Myanmar (Burma) UTC +6:30 |
| Christmas Island Time |
|---|
| Chritsmas Island |
| UTC = standard +7:00 No daylight saving |
| Norfolk Island Time |
|---|
| Norfolk (Kingston) |
| UTC = standard +11:00 UTC = daylight +12:00 |
The letters S (standard) and D (daylight), are the acronyms that show the current period of the time zone. | Australia daylight saving 2024 | |
Ends - 1h  |
Starts + 1h  |
| April - 7 Sun. 3:00 → 2:00 |
Oct - 6 Sun. 2:00 → 3:00 |
| Australia on Sunday April 2, 2024, at 3:00 a.m. it will be 2:00 a.m. | Australia on Sunday, October 6, 2024, at 2:00 a.m. it will be 3:00 a.m. |
| Lord Howe daylight saving 2024 | |
| Ends - 0:30' |
Starts + 0:30' |
| April - 7 Sun. 2:00 → 1:30 |
Oct - 6 Sun. 2:00 → 2:30 |
| Lord Howe on Sunday April 7, 2024 at 2:00 a.m. it will be 1:30. | Lord Howe on Sunday October 6, 2024 at 2:00 a.m. it will be 2:30. |
Eastern US States with Central Time |
|
| Central ← Eastern | US Eastern Time (*) |
|---|---|
| Pensacola ← FL | Florida* +info Miami  |
| Panama City ← FL | |
| Gary ← IN | Indiana* +info Indianapolis |
| Evansville ← IN | |
| Iron Mountain ← MI | Michigan* +info Detroit  |
| Menominee ← MI | |
| West Kentucky +info | East Kentucky +info |
| Bowling Green | Frankfort Louisville |
| Owensboro | Lexington |
| West Tennessee +inf | East Tennessee +inf |
| Nashville |
Knoxville |
| Memphis | Chattanooga |
| Central US states with Mountain Time | |
| Mountain ← Central | US Central Time (*) |
|---|---|
| Goodland ← KS Syracuse ← KS |
Kansas* +info Topeka Wichita |
| Scottsbluff ← NE Alliance ← NE |
Nebraska* +info Lincoln Omaha |
| Bowman ← ND |
North Dakota* +info Bismarck Fargo |
| Dickinson ← ND | |
| Rapid City ← SD | South Dakota* +info Pierre Sioux Falls |
| Spearfish ← SD | |
| El Paso ← TX Hudspeth Cty ← TX |
Texas* +info Austin Houston |
Capital Most populous city 
Capital of the country
| Pacific time zone | Mountain t. zone |
|---|---|
| Current Pacific Time | Current Mountain Time |
| Los Angeles (CA) | Denver (Colorado) |
| US Pacific Time Zone | US Mountain Time Z. |
| PST = standard -8h PDT = daylight -7h |
MST = standard -7h MDT = daylight -6h |
| *The Pacific Zone and the Mountain Zone share time zones | Arizona Mountain Time |
| Shared time zones Pacific ⇄ Mountain on large US map |
|
| Arizona Mountain T. | |
| Phoenix | |
| MST = standard -7h No daylight saving |
| Central time zone | Eastern time zone |
|---|---|
| Current Central Time | Current Eastern Time |
| Chicago (Illinois) | New York |
| US Central Time Zone | US Eastern Time Z. |
| CST = standard -6h CDT = daylight -5h |
EST = standard -5h EDT = daylight -4h |
| *Central US states with 2 time zones | *Eastern US states with 2 time zones |
| Alaska Time Zone | Hawaii Time Zone |
|---|---|
| Juneau |
Honolulu |
| Alaska Time Zone | Hawaii Time Zone |
| AKST = standard -9h AKDT = daylight -8h |
HST = std -10h No daylight saving |
| Atlantic time zone |
|---|
| Puerto Rico |
| US Virgin Islands |
| AST = standard -4h No daylight saving |
| American Samoa time |
|---|
| American Samoa |
| Pago Pago |
| SST = standard -11h No daylight saving |
| Chamorro time zone |
|---|
| Guam |
| Northern Mariana Islands |
| ChST = standard +10h No daylight saving |
The US spans 4 main time zones, from west to east: Pacific Time - Mountain Time - Central Time - Eastern Time.
2 non-contiguous time zones: Alaska Time and Hawaii Islands Time, and 3 US dependencies which none of them use daylight saving time.
* There are 2 more time zones corresponding to US Minor Outlying Islands. more info on wiki
The letters S (standard) and D (daylight), are the acronyms that show the current period of the time zone.
For example, PST Pacific standard time / PDT Pacific daylight time, plus the symbols that appear next to the clock time
Daylight saving time in US begins on the second Sunday in March, at 2:00 a.m., moving the clock forward 1 hour and returning to winter or standard time on the first Sunday in November, at 2:00 a.m., turning the clock back 1 hour. US map.
| USA daylight saving time 2024 | |
Starts + 1h  |
Ends - 1h |
| March-10 Sun. 2:00 → 3:00 |
Nov.-3 Sun. 2:00 → 1:00 |
| 2nd Sunday in March, at 2:00 a.m., US turns the clock forward 1 hour | 1st Sunday in November, at 2:00 a.m., US turns the clock back 1 hour |
| Pacific Time / Mountain Time / Central Time / Eastern Time | |
Clocks symbols:
Daylight Saving Time. UTC standard time, or winter time. 
No Daylight Saving Time throughout the year. 24 hour clock format
Clocks and symbols (daylight saving - winter) are updated in real time as the time changes in different Australia and US time zones.
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