How does archaeological dating work indian dating site in us
Different cultures around the world record time in different fashions.
According to the Gregorian calendar, it is the year 2009 AD. The Kaliyuga Hindu Calendar maintains it is 5110, the Islamic calendar 1430 and the Persian, 2630.
A number of methods are used, all of which have their advantages, limitations and level of accuracy.
Complex dating problems often use a variety of techniques and information to arrive at the best answer.
Artefacts and other materials can be dated in relative terms by observing which layer of sediments they are found in.
This applies the geological principle that under normal circumstances younger layers of sediment will be deposited on top of older layers.
Throughout history, time has been defined in a variety of ways: by everything from the current ruler, or empire, or not defined at all.
Chances are, right now, you have a Gregorian calendar stuck to your wall.
This calendar, with the months January through December, is a business standard used in many places round the world to define the year: one which hearkens back to Christian and Roman Imperial precedents.
For periods without a historic record, attempts have been made to categorize tool kits, pottery styles, and architectural forms into regional timelines.
Some ill-fated attempts to define time even attempted to count backwards through the genealogies of the Bible, establishing a series of dates which remain a cause of confusion.