Dual dating is the practice, in historical materials, of indicating a date with what appear to be duplicate or excessive digits: these may be separated...

calendar changes, writers used dual dating to identify a given day by giving its date according to both styles of dating. For countries such as Russia...

calendar changes, writers used dual dating to identify a given day by giving its date according to both styles of dating. For countries such as Russia...

Radiocarbon dating (also referred to as carbon dating or carbon-14 dating) is a method for determining the age of an object containing organic material...

Radiometric dating, radioactive dating or radioisotope dating is a technique which is used to date materials such as rocks or carbon, in which trace radioactive...

between calendars and for some time afterwards, dual dating was used in documents and gave the date according to both systems. In contemporary as well...

radiocarbon dating, the reference date is January 1, 1950 (though the specific date January 1 is quite unnecessary, as radiocarbon dating has limited...

radiometric dating in the early 20th century, which provided a means of absolute dating, archaeologists and geologists used relative dating to determine...

radiometric dating, the technique can be used to construct and calibrate the geomagnetic polarity time scale. This is one of the dating methodologies...

The ISO week date system is effectively a leap week calendar system that is part of the ISO 8601 date and time standard issued by the International Organization...