Japan coin dating calander

15 Mar

Date and time notation in Japan has historically followed the Japanese calendar and the nengō system of counting years.At the beginning of the Meiji period, Japan switched to the Gregorian calendar on Wednesday, 1 January 1873, but for many domestic and regional government paperwork, the Japanese year is retained.One problem with cataloging coins in a database is that the coins of the world use different date systems.The World Coin Database is making an attempt to be as accurate as possible by storing dates in the coin's native date system.During ancient times emperor sometimes changed the motto if the beginning of board was unsuccessful.

The bronze coins are much rarer than the iron ones and most of these coins have been found in China's northeast (Dongbei 东北) and in the northern part of the Korean peninsula.The majority of coins use the Gregorian calendar, but some use date systems that do no equate directly to a Gregorian year.Below is a list of guides that will help you decipher any non-Latin date characters and convert to a Gregorian date.Apart from the Gregorian calendar, the Japanese Imperial calendar is also used, which bases the year on the current era, which in turn is based on the current emperor. Ambiguities as to which calendar is used for the year are usually only resolved by the context in which the date appears, but Imperial calendar dates may be prefixed with a single character or letter denoting the era, e.g. The AM/PM signs are also used, while the sign may be placed either before or after the time (AM or AM).Times past midnight can also be counted past the 24 hour mark, usually when the associated activity spans across midnight.