time meridian

time meridian

[′tīm mə‚rid·ē·ən]
(astronomy)
Any meridian used as a reference for reckoning time, particularly a zone or standard meridian.
References in periodicals archive ?
1884: Greenwich was adopted as the universal time meridian of longitude, from which standard times throughout the world are calculated.
For instance, Washington, DC (longitude 77[degrees]), is 2[degrees] west of the Eastern Time meridian.
1884: Following a fraught international conference, Greenwich (rather than Paris) was adopted as the universal time meridian of longitude, from which standard times worldwide are calculated.
South Africa's time meridian is 30[degrees] east, through Pietermaritzburg (PMB), and so SAST is two hours ahead of UTC; i.
For a limited period of time Meridian are offering a special incentive.
1884: An international conference voted to adopt Greenwich as the universal time meridian of longitude, from which standard times throughout the world are calculated - despite dogged opposition from the French delegation, backing Paris.
South Africa's time meridian is 30[degrees] east, through Pietermaritzburg (PIVIB), and so SAST is two hours ahead of UTC; i.
1884: Greenwich was adopted as the universal time meridian of longitude from which standard times throughout the world are calculated.
As with all sundials of this type, don't forget to correct for the "equation of time" and for Seattle's slight distance from the Pacific Standard Time meridian.
1884 - Greenwich was adopted as the universal time meridian of longitude from which standard times throughout the world are calculated.
longitude 77 |degrees~) is 2 |degrees~ west of the Eastern time meridian.