EEST (Eastern European Summer Time)
GMT +3
HST
Hawaii Standard Time
GMT -10

Time Difference

EEST (Eastern European Summer Time) is 13 hours ahead of Hawaii Standard Time
5:30 am05:30 in Tvarditsa, Bulgaria is 4:30 pm16:30 in HST

Tvarditsa to HST call time
Best time for a conference call or a meeting is between 7:30pm-9:30pm in Tvarditsa which corresponds to 6:30am-8:30am in HST

5:30 am05:30 EEST (Eastern European Summer Time) (Tvarditsa, Bulgaria). Offset UTC +3:00 hours
4:30 pm16:30 Hawaii Standard Time (HST). Offset UTC -10:00 hours

5:30 am05:30 Tvarditsa, Bulgaria / 4:30 pm16:30 HST

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

Tvarditsa Information

Time Zone

Abbreviation / Name
EEST - Eastern European Summer Time
EET - Eastern European Time
UTC / GMT Offset
+3:00 hours during Eastern European Summer Time, currently in use.
+2:00 hours during Eastern European Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
October 25 at 03:00 local time. DST starts annually on the same date and time.. Clocks are turned 1 hour forward. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
March 28 at 02:59 local time. DST ends annually on the same date and time.. Clocks are turned 1 hour backward. Also called Fall Back or switch to Winter Time.

Tvarditsa Facts

Country
Bulgaria
Alternative Names
Tvardica, Tvarditsa, Tvarditza, Tverditsa, Tvrdica, Tvrditsa, Tvurdica, Tvurditsa, Tvŭrdica, Tvŭrditsa, Twardiza, Twărdiza, Твърдица
Population
6,519
Currency
Lev (BGN)
Geographic Coordinates
42° 42' N Latitude / 25° 53' E Longitude
International Dialing Code
+359

Hawaii Standard Time

Offset: HST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific

Countries: It is used in following countries: United States

Principal Cities: The largest city in the HST timezone is Honolulu from USA with population about 371,657 people. Other major cities in the area are Pearl City, Hilo, Kailua, Waipahu

Daylight Saving: This is a standard timezone, however during summer some places adjust time for one hour forward for daylight saving and observe Hawaii Daylight Time (HDT).

End: HST ended and clocks were set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.

Start: HST starts and clocks are set one hour back on Sunday, 07 November 2021, at 2:00 (2:00 am) local time.

HST Time Zone Geo Map
HST timezone map

HST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -10 - basic short
  • -1000 - basic
  • -10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten 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
  • Whiskey - Military abbreviation for HST
  • W - short form of 'Whiskey'
IANA/Olson: Reflects HST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Adak
  • America/Atka
  • HST
  • Pacific/Honolulu
  • Pacific/Johnston
  • US/Aleutian
  • US/Hawaii
Time zones with the GMT -10 offset:
  • HAST - Hawaii-Aleutian Standard Time
  • CKT - Cook Island Time
  • HST - Hawaii Standard Time
  • TAHT - Tahiti Time
  • W - Whiskey Time Zone