Begin Date (Dating)
- This field contains the date on which work to create or manufacture the object was started.
- N.B.: This field is used only when the begin date is known.
- This field is used in conjunction with the End Date field.
- If only one date is known, enter the information in the End Date field and leave the Begin Date field blank.
Record for a Peruvian metal plate from 200 AD
| || Object Name|| plate|
|Begin Date|| |
| ||End Date|| 0200|
- If a range of dates is known, enter the oldest date in the Begin Date field and the most recent date in the End Date field.
Research showed that a pot may have been made between 850 and
| || Object Name||pot|
| ||End Date|| -0725|
- Enter the begin date in the form YYYY (Y for "year").
- If the begin date has fewer than four digits, you may add zeros to simplify the production of lists.
- If the month and day on which production began are known, enter the information in the form YYYY dash MM dash DD, in numbers only (Y for "Year," M for "Month" and D for "Day").
|Begin Date|| 1951-12-22|
- Use the abbreviation "c" (for circa) when the object may have been produced within a period of five years before or five years after the date indicated. Enter the date followed by a space and "c".
|Begin Date||1340 c|
- Use the abbreviation "L" (for "later than") if the object could have been produced no earlier than the date shown. Enter the date followed by a space and "L".
|Begin Date|| 0200 L|
- If you are unsure whether your information is correct, include a space and a question mark after the date.
|Begin Date||0800 ?|
- BC dates should be preceded by a minus sign "-".
- To delimit a century or part of a century, you may use the Begin Date and End Date fields as follows:1
An object produced in the 10th century
|Begin Date|| 0900 L|
| ||End Date|| 0999 P|Example 2
An object produced in the early 10th century
|Begin Date|| 0900 L|
| ||End Date|| 0925 P|Example 3
An object produced in the mid-10th century
|Begin Date|| 0925 L|
| ||End Date|| 0975 P|Example 4
An object produced in the late 10th century
|Begin Date|| 0975 L|
| ||End Date|| 0999 P|Example 5
An object produced in the 1530s
|Begin Date|| 1530 L|
| ||End Date|| 1539 P|
- This field may not contain more than one entry.
- In 1992, this convention was based on the convention used at the Musée du Québec.