India
IST
ORAT
Oral Time
GMT +5

Time Difference

IST (India Standard Time) is 0 hours and 30 minutes ahead of Oral Time
10:00 pm22:00 in Kolkata, India is 9:30 pm21:30 in ORAT

Kolkata to ORAT call time
Best time for a conference call or a meeting is between 8:30am-6pm in Kolkata which corresponds to 8am-5:30pm in ORAT

10:00 pm22:00 IST (India Standard Time) (Kolkata, India). Offset UTC +5:30 hours
9:30 pm21:30 Oral Time (ORAT). Offset UTC +5:00 hours

10:00 pm22:00 Kolkata, India / 9:30 pm21:30 ORAT

Kolkata, India ORAT
12am (midnight) 11:30 pm
1am 12:30 am
2am 1:30 am
3am 2:30 am
4am 3:30 am
5am 4:30 am
6am 5:30 am
7am 6:30 am
8am 7:30 am
9am 8:30 am
10am 9:30 am
11am 10:30 am
12pm (noon) 11:30 am
1pm 12:30 pm
2pm 1:30 pm
3pm 2:30 pm
4pm 3:30 pm
5pm 4:30 pm
6pm 5:30 pm
7pm 6:30 pm
8pm 7:30 pm
9pm 8:30 pm
10pm 9:30 pm
11pm 10:30 pm
0:00 23:30
1:00 0:30
2:00 1:30
3:00 2:30
4:00 3:30
5:00 4:30
6:00 5:30
7:00 6:30
8:00 7:30
9:00 8:30
10:00 9:30
11:00 10:30
12:00 11:30
13:00 12:30
14:00 13:30
15:00 14:30
16:00 15:30
17:00 16:30
18:00 17:30
19:00 18:30
20:00 19:30
21:00 20:30
22:00 21:30
23:00 22:30

Kolkata Information

Time Zone

Abbreviation / Name
IST - India Standard Time
UTC / GMT Offset
+5:30 hours during India Standard Time, currently in use.

Kolkata Facts

Country
India
Alternative Names
CCU, Calcuta, Calcutta, Calcutá, Calcúta, Caligardamana, Kaelkuettae, Kal'kuta, Kal'kutta, Kal'kuttae, Kalikata, Kalikātā, Kalkata, Kalkota, Kalkouta, Kalkueta, Kalkuta, Kalkutta, Kalkútta, Kalküta, Kolkat, Kolkata, Kolkate, Kolkato, Kolkāta, Kälküttä, Kəlkətə, Sealdah, jia er ge da, jia li ji da, kalakata, kalakatta, kalikata, kalkata, keaൽkkatta, klkta, klkth, klkwth, ko l ka ta, kolakata, kolkata, kolkatta, kol‌kata, korukata, kwlkata, kʼolkʼatʼa, qwlqth, Καλκούτα, Калькута, Калькуттæ, Калькутта, Колката, Колкате, Կալկաթա, כלכותה, קאלקאטא, קולקטה, كلكتا, كولكاتا, کلکته, کلکتہ, کولکاتہ, کَلٕکَتا, کەلکەتە, कलकत्ता, कोलकाता, কলকাতা, ਕੋਲਕਾਤਾ, કોલકાતા, କଲିକତା, கொல்கத்தா, కోల్‌కాతా, ಕೊಲ್ಕತ್ತ, കൊൽക്കത്ത, โกลกาตา, ཀ་ལི་ཀུ་ཏ, ကာလကတ္တားမြို့, კოლკატა, ኮልካታ, コルカタ, 加尔各答, 架利吉打, 콜카타
Population
4,631,392
Currency
Rupee (INR)
Geographic Coordinates
22° 33' N Latitude / 88° 21' E Longitude
International Dialing Code
+91

Oral Time

Offset: ORAT is 5 hours ahead Greenwich Mean Time (GMT) and is used in Asia

ORAT 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 east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Echo - Military abbreviation for ORAT
  • E - short form of 'Echo'
Time zones with the GMT +5 offset:
  • AMST - Armenia Summer Time
  • AQTT - Aqtobe Time
  • AZST - Azerbaijan Summer Time
  • E - Echo Time Zone
  • MAWT - Mawson Time
  • MVT - Maldives Time
  • ORAT - Oral Time
  • PKT - Pakistan Standard Time
  • TFT - French Southern and Antarctic Time
  • TJT - Tajikistan Time
  • TMT - Turkmenistan Time
  • UZT - Uzbekistan Time
  • YEKT - Yekaterinburg Time
  • HMT - Heard and McDonald Islands Time