For example, Christian time counts the birth of Christ as the beginning, AD 1 (Anno Domini); everything that occurred before Christ is counted backwards from AD as BC (Before Christ).
If you want to push the embarrassment factor a little more you could ask metals to announce which non-metal they would most like to bond with before impersonating Cilla Black and cooing about having to buy a hat (to blank faces most probably).
If you're not logged in, we make our best guess.
Be aware that this info is basically correct now, but it'll get even MORE correct once you add it to your cart and confirm the address.
The Muslims count the Prophet’s departure from Mecca, or the Hegira, as their beginning at AD 662.
The Mayan calendar used 3114 BC as their reference.