9 : Time Period Information

Time Period Information -- information about the date and time of an event. (Note: this section provides a means of stating temporal information, and is used by other sections of the metadata standard. This section is never used alone.)
Type: compound
Short Name: timeinfo

Time_Period_Information =
[Single_Date/Time |
Multiple_Dates/Times |
Range_of_Dates/Times ]

Single_Date/Time =
Calendar_Date +
(Time_of_Day)

Multiple_Dates/Times =
2{Single_Date/Time}n

Range_of_Dates/Times =
Beginning_Date +
(Beginning_Time) +
Ending_Date +
(Ending_Time)

9.1 Single Date/Time -- means of encoding a single date and time.
Type: compound
Short Name: sngdate

9.1.1 Calendar Date -- the year (and optionally month, or month and day).
Type: date
Domain: "Unknown" free date
Short Name: caldate

9.1.2 Time of Day -- the hour (and optionally minute, or minute and second) of the day.
Type: time
Domain: "Unknown" free time
Short Name: time

9.2 Multiple Dates/Times -- means of encoding multiple individual dates and times.
Type: compound
Short Name: mdattim

9.3 Range of Dates/Times -- means of encoding a range of dates and times.
Type: compound
Short Name: rngdates

9.3.1 Beginning Date -- the first year (and optionally month, or month and day) of the event.
Type: date
Domain: "Unknown" free date
Short Name: begdate

9.3.2 Beginning Time -- the first hour (and optionally minute, or minute and second) of the day for the event.
Type: time
Domain: "Unknown" free time
Short Name: begtime

9.3.3 Ending Date -- the last year (and optionally month, or month and day) for the event.
Type: date
Domain: "Unknown" "Present" free date
Short Name: enddate

9.3.4 Ending Time -- the last hour (and optionally minute, or minute and second) of the day for the event.
Type: time
Domain: "Unknown" free time
Short Name: endtime