This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.

# AbsoluteTime

 AbsoluteTimegives the total number of seconds since the beginning of January 1, 1900, in your time zone. AbsoluteTime gives the absolute time specification corresponding to a date list. AbsoluteTime gives the absolute time specification corresponding to a date string. AbsoluteTime takes the date string to contain the elements .
• AbsoluteTime uses whatever date and time have been set on your computer system. It performs no corrections for time zones, daylight saving time, etc.
• AbsoluteTime is always accurate down to a granularity of \$TimeUnit seconds, but on many systems is much more accurate.
• Shorter lists can be used in AbsoluteTime: {y} is equivalent to , to , etc.
• Values of m, d, h, m, s outside their normal ranges are appropriately reduced. Noninteger values of d, h, m, s can also be used. »
Absolute time in seconds since January 1, 1900:
Convert a date list or elided date list:
Convert from a date string to absolute time:
Specify date elements for interpreting a string:
Absolute time in seconds since January 1, 1900:
 Out[1]=

Convert a date list or elided date list:
 Out[1]=
 Out[2]=

Convert from a date string to absolute time:
 Out[1]=
 Out[2]=

Specify date elements for interpreting a string:
 Out[1]=
 Scope   (5)
Strings are automatically interpreted when possible:
Separators are assumed if not specified:
Give explicit separators:
Date lists are converted to standard normalized form:
Day, hour, minute, and second values in input date lists can be noninteger:
The current year is used if not specified in a string:
Give explicit date elements to interpret ambiguous strings:
 Options   (1)
Find the current absolute time in Greenwich, United Kingdom:
Compute the number of seconds between January 1, 1900 and January 1, 1970:
AbsoluteTime represents dates as seconds since the beginning of 1900:
DateList represents dates as lists of date elements:
DateString represents dates as strings:
Use DateListPlot to plot data with absolute time coordinates on a time scale: