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Various utility templates used to compute dates and time values. Despite their internal design, they are built for maximum reusability in various contexts, so the syntax to use them is very simple, and each of these templates is documented with examples of use and return values.
computes the difference in seconds between two time_t values time: returns the current time of the system as a time_t value, number of seconds, (which is usually time since an epoch, typically the Unix epoch). The value of the epoch is operating system dependent; 1900 and 1970 are often used. See RFC 868. clock
{{time interval|date1|date2|options}} There are two positional arguments: date1 and date2. The default for each is the current date and time. The result displays text representing the time interval from date1 to date2 (date2 − date1). Dates are UTC—local times and time zones are not supported. Dates are checked for validity.
Interval scheduling is a class of problems in computer science, particularly in the area of algorithm design. The problems consider a set of tasks. Each task is represented by an interval describing the time in which it needs to be processed by some machine (or, equivalently, scheduled on some resource).
If no time zone is given or if the given time zone is not supported, then the output will default to the current minute of UTC+0 time; In this case, instead of giving a time zone, an offset (e.g. 30, 45, etc.) can also be given to get the current minute of UTC+00: offset time.
The line below would output "hello world" to the command line every 5th minute of every first, second and third hour (i.e., 01:00, 01:05, 01:10, up until 03:55). */5 1 ,2,3 * * * echo hello world The configuration file for a user can be edited by calling crontab -e regardless of where the actual implementation stores this file.
This template extracts the current integer second on two digits (between 00 and 59) from the current UTC time (as set on the Wikimedia server). The shown value should match the rightmost two digits of 20241222114501. Syntax: {{CURRENTSECOND}} Use {{subst:CURRENTSECOND}} to substitute the current second. Formula: {{#time:s}}
A time interval is the intervening time between two time points. The amount of intervening time is expressed by a duration (as described in the previous section). The two time points (start and end) are expressed by either a combined date and time representation or just a date representation. There are four ways to express a time interval: