standard time

Standard Time
and Time Zones
(and Gregorian Calendar)


Below is a checklist of standard time and time zone (and Gregorian Calendar) postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.), as well as items on banknotes and coins. Catalog numbers, years of issue, and notes on the items featured are given when available. If readers know of additional information or images, please contact the author using the e-mail address at the bottom of this page.


CountryCatalog Number*Type of Item**Year of IssueNotes on Content
Standard Time and Time Zones
Argentina13141981100th anniv. Naval Observatory, 1881: 24 time zones
Great Britain7421975European Architectural Heritage Year: 300th anniv. Royal Observatory, Greenwich
Great Britain10581984100th anniv. Greenwich Meridian, 1884: prime meridian, (Apollo-11 ?) satellite view
Great Britain10591984100th anniv. Greenwich Meridian, 1884: prime meridian, English channel map
Great Britain10601984100th anniv. Greenwich Meridian, 1884: prime meridian, Greenwich observatory
Great Britain10611984100th anniv. Greenwich Meridian, 1884: prime meridian, George Airy's transit telescope
Great Britain13381990Astronomy: Greenwich Old Observatory, sextant, chronometer
Great Britain (Isle of Man)KM10511 crown (coin)2000Old Royal Observatory clock face with embedded brass strip from original Prime Meridian
Japan732196175th anniv. Japanese standard time, 1886: sun, earth, meridian
Japan16761986100th anniv. Japanese standard time, 1886: meridian, clock, outline
Korea (North)24021984100th anniv. Greenwich Mean Time, 1884: clock face
Korea (North)2403SS11984100th anniv. Greenwich Mean Time, 1884: clock face
LiberiaKM443$10. (coin)2000Greenwich Meridian
New Zealand1628From MS10 (1628a (10x 1628))2000Year 2000: International Date Line: world map, sun
Tonga5861984100th anniv. International Date Line, 1884: George Airy, Greenwich Meridian pioneer
Tonga5871984100th anniv. International Date Line, 1884: Sanford Fleming, time zone pioneer
Tonga (Niuafo'ou)461984100th anniv. International Date Line, 1884: South Pacific map
Tonga (Niuafo'ou)471984100th anniv. International Date Line, 1884: globe, map
Uganda1658mOne of MS17 (1658 (a-q + label)2000Millennium: Highlights of 1850-1900: world time zones establishment
Gregorian Calendar
Germany (West)13831982400th anniv. Gregorian Calendar, 1582: calendar illumination
Vatican City7151982400th anniv. Gregorian Calendar, 1582: surveying the globe
Vatican City7161982400th anniv. Gregorian Calendar, 1582: edict of reform
Vatican City7171982400th anniv. Gregorian Calendar, 1582: presenting edict
Vatican City717aMS3 (715-717)1982400th anniv. Gregorian Calendar, 1582

*Scott catalog number; KM = Krause and Mishler coin catalog number.
**SS# = souvenir sheet, MS# = miniature sheet, where # = number of stamps in sheet, and the numbers in parentheses are the catalog numbers of the stamps in the sheet.


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Updated: 2008-07-31