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- London, United Kingdom to Sydney, Australia to IST to EST
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London
United Kingdom
BST
Sydney
Australia
AEST
IST
India Standard Time
GMT +5:30
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
Time Difference
BST (British Summer Time) is 9 hours behind AEST (Australian Eastern Standard Time) and 4 hours and 30 minutes behind India Standard Time and 5 hours ahead of Eastern Daylight Time
5:30 am05:30 in London, United Kingdom is 2:30 pm14:30 in Sydney, Australia and is 10:00 am10:00 in IST and is 12:30 am00:30 in EDT
London to Sydney call time
Best time for a conference call or a meeting is between 8am-10am in London which corresponds to 5pm-7pm in Sydney
London to IST call time
Best time for a conference call or a meeting is between 8am-1:30pm in London which corresponds to 12:30pm-6pm in IST
London to EST call time
Best time for a conference call or a meeting is between 2pm-6pm in London which corresponds to 8am-12pm in EST
5:30 am05:30 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
2:30 pm14:30 AEST (Australian Eastern Standard Time) (Sydney, Australia). Offset UTC +10:00 hours
10:00 am10:00 India Standard Time (IST). Offset UTC +5:30 hours
12:30 am00:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
5:30 am05:30 London, United Kingdom / 2:30 pm14:30 Sydney, Australia / 10:00 am10:00 IST / 12:30 am00:30 EDT
London, United Kingdom | Sydney, Australia | IST | EDT |
---|---|---|---|
12am (midnight) | 9am | 4:30 am | 7pm |
1am | 10am | 5:30 am | 8pm |
2am | 11am | 6:30 am | 9pm |
3am | 12pm (noon) | 7:30 am | 10pm |
4am | 1pm | 8:30 am | 11pm |
5am | 2pm | 9:30 am | 12am (midnight) |
6am | 3pm | 10:30 am | 1am |
7am | 4pm | 11:30 am | 2am |
8am | 5pm | 12:30 pm | 3am |
9am | 6pm | 1:30 pm | 4am |
10am | 7pm | 2:30 pm | 5am |
11am | 8pm | 3:30 pm | 6am |
12pm (noon) | 9pm | 4:30 pm | 7am |
1pm | 10pm | 5:30 pm | 8am |
2pm | 11pm | 6:30 pm | 9am |
3pm | 12am (midnight) | 7:30 pm | 10am |
4pm | 1am | 8:30 pm | 11am |
5pm | 2am | 9:30 pm | 12pm (noon) |
6pm | 3am | 10:30 pm | 1pm |
7pm | 4am | 11:30 pm | 2pm |
8pm | 5am | 12:30 am | 3pm |
9pm | 6am | 1:30 am | 4pm |
10pm | 7am | 2:30 am | 5pm |
11pm | 8am | 3:30 am | 6pm |
0:00 | 9:00 | 4:30 | 19:00 |
1:00 | 10:00 | 5:30 | 20:00 |
2:00 | 11:00 | 6:30 | 21:00 |
3:00 | 12:00 | 7:30 | 22:00 |
4:00 | 13:00 | 8:30 | 23:00 |
5:00 | 14:00 | 9:30 | 0:00 |
6:00 | 15:00 | 10:30 | 1:00 |
7:00 | 16:00 | 11:30 | 2:00 |
8:00 | 17:00 | 12:30 | 3:00 |
9:00 | 18:00 | 13:30 | 4:00 |
10:00 | 19:00 | 14:30 | 5:00 |
11:00 | 20:00 | 15:30 | 6:00 |
12:00 | 21:00 | 16:30 | 7:00 |
13:00 | 22:00 | 17:30 | 8:00 |
14:00 | 23:00 | 18:30 | 9:00 |
15:00 | 0:00 | 19:30 | 10:00 |
16:00 | 1:00 | 20:30 | 11:00 |
17:00 | 2:00 | 21:30 | 12:00 |
18:00 | 3:00 | 22:30 | 13:00 |
19:00 | 4:00 | 23:30 | 14:00 |
20:00 | 5:00 | 0:30 | 15:00 |
21:00 | 6:00 | 1:30 | 16:00 |
22:00 | 7:00 | 2:30 | 17:00 |
23:00 | 8:00 | 3:30 | 18:00 |
Time Zone
Abbreviation / Name
BST - British Summer Time
UTC / GMT Offset
+1:00 hour during British Summer Time, currently in use.
London Facts
Country
United Kingdom
Alternative Names
ILondon, LON, Lakana, Landan, Landen, Ljondan, Llundain, Lodoni, Londain, Londan, Londar, Londe, Londen, Londin, Londinium, Londino, Londn, London, London osh, Londona, Londonas, Londoni, Londono, Londons, Londonu, Londra, Londres, Londrez, Londri, Londro, Londye, Londyn, Londýn, Lonn, Lontoo, Loundres, Luan GJon, Lun-tun, Lunden, Lundra, Lundun, Lundunir, Lundúnir, Lung-dung, Lunnainn, Lunnin, Lunnon, Luân Đôn, Lùn-tûn, Lùng-dŭng, Lûn-tun, Lākana, Lůndůn, Lọndọnu, Ranana, Rānana, ilantan, ladana, landan, landana, leondeon, lndn, london, londoni, lun dui, lun dun, lwndwn, lxndxn, rondon, Łondra, Λονδίνο, Лондан, Лондон, Лондон ош, Лондонъ, Лёндан, Լոնդոն, לאנדאן, לונדון, لأندأن, لندن, لوندون, لەندەن, ܠܘܢܕܘܢ, लंडन, लंदन, लण्डन, लन्डन्, लन्दन, লন্ডন, ਲੰਡਨ, લંડન, ଲଣ୍ଡନ, இலண்டன், లండన్, ಲಂಡನ್, ലണ്ടൻ, ලන්ඩන්, ลอนดอน, ລອນດອນ, ལོན་ཊོན།, လန်ဒန်မြို့, ლონდონი, ለንደን, ᎫᎴ ᏗᏍᎪᏂᎯᏱ, ロンドン, 伦敦, 倫敦, 런던
Population
7,556,900
Currency
Pound (GBP)
Geographic Coordinates
51° 30' N Latitude / 0° 07' W Longitude
International Dialing Code
+44
Sydney Information
Time Zone
Abbreviation / Name
AEST - Australian Eastern Standard Time
AEDT - Australian Eastern Daylight Time
UTC / GMT Offset
+10:00 hours during Australian Eastern Standard Time, currently in use.
+11:00 hours during Australian Eastern Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Sunday, October 6, 2024 at 2:00 am local time. DST starts annually the on first Sunday of October. Clocks are turned forward 1 hour to Sunday, October 6, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Sunday, April 7, 2024 at 3:00 am local time. DST ends annually the on first Sunday of April. Clocks are turned backward 1 hour to Sunday, April 7, 2024, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.
Sydney Facts
Country
Australia
Alternative Names
SYD, Sanctus Dionysius, Sedniejos, Sek-na, Sidnef, Sidnei, Sidnej, Sidneja, Sidnejo, Sidnejus, Sidney, Sidneý, Sidni, Sidnéy, Sidnėjus, Sit-ni, Sit-nì, Syd, Sydneium, Sydney, Sydney City, Sék-nà̤, Sídney, Sîdney, Sėdniejos, citni, shidoni, sidani, sideuni, sidnei, sidni, sidniy, sydny, xi ni, xue li, Σίδνεϋ, Сиднеи, Сидней, Сиднеј, Сидни, Сідней, Сідні, Սիդնեյ, סידני, سيدنى, سيدني, سڈنی, سیدنی, ܣܝܕܢܝ, सिडनी, सिड्नी, सिद्नी, সিডনি, ਸਿਡਨੀ, સીડની, சிட்னி, సిడ్నీ, ಸಿಡ್ನಿ, സിഡ്നി, සිඩ්නි, ซิดนีย์, སིད་ནེ།, ဆစ်ဒနီမြို့, სიდნეი, ሲድኒ, ស៊ីដនីយ៏, シドニー, 悉尼, 雪梨, 시드니
Population
4,627,345
Currency
Dollar (AUD)
Geographic Coordinates
33° 52' S Latitude / 151° 12' E Longitude
International Dialing Code
+61
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same

IST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +0530 - basic
- +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Asia/Calcutta
- Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on first Sunday of November.
EST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -05 - basic short
- -0500 - basic
- -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
Time zones with the GMT -5 offset:
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
EST to IST GMT to EST PST to EST EST to GMT PST to GMT