time-zone

Hour-offset region

A time zone is one of the 24 longitudinal divisions of the Earth, each representing roughly one hour's difference from Coordinated Universal Time.

Countries and regions within each zone typically set their clocks to the same standard time, though political boundaries often override strict geographical divisions.

I'm three time zones ahead of you, so let's schedule the call for your morning.

The concept of standardized time zones emerged in the 19th century with the spread of railroads and telegraphs.

geography

meridian

Pole-to-pole great circle

  • longitudeEast-west angular distance
  • GMTGlobal time baseline
  • UTCUniversal time standard

prime meridian · offset · region · boundary · map · equator · hemisphere · coordinate · dateline · atlas

technology

timestamp

Recorded moment identifier

localization · database · conversion · API · daylight saving · NTP · clock · software · formatting · epoch

travel

jet lag

Post-flight sleep disruption

  • layoverBreak between connecting flights
  • flightAerial journey by aircraft
  • arrivalAct of reaching destination

departure · itinerary · red-eye · connecting flight · circadian · adjustment · booking · scheduling · international travel · stopover

business

conference call

Phone meeting with multiple participants

coordination · distributed team · international business · availability · calendar · sync · async · offshore · outsourcing · multinational

politics

daylight saving

Seasonal hour adjustment

boundaries · gerrymandering · Arizona · Indiana · abolition · petition · controversy · zoning laws · government · mandate

Opposites
time measurement systems

time-zoneUTC

Universal time standard

Greenwich Mean Time · GMT · world time · International Date Line · local time

temporal measurement dimension

time-zonedate

Specific day or outing

day of the week · calendar · season · epoch · era

Family

timezone, timezones

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G