datetime
Represents a date, a time, or a combination of both.
Can be created by either specifying a custom datetime using this type's
constructor function or getting the current date with datetime.today.
Example
#let date = datetime(
  year: 2020,
  month: 10,
  day: 4,
)
#date.display() \
#date.display(
  "y:[year repr:last_two]"
)
#let time = datetime(
  hour: 18,
  minute: 2,
  second: 23,
)
#time.display() \
#time.display(
  "h:[hour repr:12][period]"
)

Datetime and Duration
You can get a duration by subtracting two datetime:
#let first-of-march = datetime(day: 1, month: 3, year: 2024)
#let first-of-jan = datetime(day: 1, month: 1, year: 2024)
#let distance = first-of-march - first-of-jan
#distance.hours()

You can also add/subtract a datetime and a duration to retrieve a new, offset datetime:
#let date = datetime(day: 1, month: 3, year: 2024)
#let two-days = duration(days: 2)
#let two-days-earlier = date - two-days
#let two-days-later = date + two-days
#date.display() \
#two-days-earlier.display() \
#two-days-later.display()

Format
You can specify a customized formatting using the
display method. The format of a datetime is
specified by providing components with a specified number of modifiers.
A component represents a certain part of the datetime that you want to
display, and with the help of modifiers you can define how you want to
display that component. In order to display a component, you wrap the name
of the component in square brackets (e.g. [year] will display the year).
In order to add modifiers, you add a space after the component name followed
by the name of the modifier, a colon and the value of the modifier (e.g.
[month repr:short] will display the short representation of the month).
The possible combination of components and their respective modifiers is as follows:
- year: Displays the year of the datetime.- padding: Can be either- zero,- spaceor- none. Specifies how the year is padded.
- reprCan be either- fullin which case the full year is displayed or- last_twoin which case only the last two digits are displayed.
- sign: Can be either- automaticor- mandatory. Specifies when the sign should be displayed.
 
- month: Displays the month of the datetime.- padding: Can be either- zero,- spaceor- none. Specifies how the month is padded.
- repr: Can be either- numerical,- longor- short. Specifies if the month should be displayed as a number or a word. Unfortunately, when choosing the word representation, it can currently only display the English version. In the future, it is planned to support localization.
 
- day: Displays the day of the datetime.- padding: Can be either- zero,- spaceor- none. Specifies how the day is padded.
 
- week_number: Displays the week number of the datetime.- padding: Can be either- zero,- spaceor- none. Specifies how the week number is padded.
- repr: Can be either- ISO,- sundayor- monday. In the case of- ISO, week numbers are between 1 and 53, while the other ones are between 0 and 53.
 
- weekday: Displays the weekday of the date.- reprCan be either- long,- short,- sundayor- monday. In the case of- longand- short, the corresponding English name will be displayed (same as for the month, other languages are currently not supported). In the case of- sundayand- monday, the numerical value will be displayed (assuming Sunday and Monday as the first day of the week, respectively).
- one_indexed: Can be either- trueor- false. Defines whether the numerical representation of the week starts with 0 or 1.
 
- hour: Displays the hour of the date.- padding: Can be either- zero,- spaceor- none. Specifies how the hour is padded.
- repr: Can be either- 24or- 12. Changes whether the hour is displayed in the 24-hour or 12-hour format.
 
- period: The AM/PM part of the hour- case: Can be- lowerto display it in lower case and- upperto display it in upper case.
 
- minute: Displays the minute of the date.- padding: Can be either- zero,- spaceor- none. Specifies how the minute is padded.
 
- second: Displays the second of the date.- padding: Can be either- zero,- spaceor- none. Specifies how the second is padded.
 
Keep in mind that not always all components can be used. For example, if you
create a new datetime with datetime(year: 2023, month: 10, day: 13), it
will be stored as a plain date internally, meaning that you cannot use
components such as hour or minute, which would only work on datetimes
that have a specified time.
Constructor
     
Creates a new datetime.
You can specify the datetime using a year, month, day, hour, minute, and second.
Note: Depending on which components of the datetime you specify, Typst will store it in one of the following three ways:
- If you specify year, month and day, Typst will store just a date.
- If you specify hour, minute and second, Typst will store just a time.
- If you specify all of year, month, day, hour, minute and second, Typst will store a full datetime.
Depending on how it is stored, the display method
will choose a different formatting by default.
  View example
 View example 
 #datetime(
  year: 2012,
  month: 8,
  day: 3,
).display()

year  
 The year of the datetime.
month  
 The month of the datetime.
day  
 The day of the datetime.
hour  
 The hour of the datetime.
minute  
 The minute of the datetime.
second  
 The second of the datetime.
 Definitions      
 today
Returns the current date.
  View example
 View example 
 Today's date is
#datetime.today().display().

offset  
 An offset to apply to the current UTC date. If set to auto, the
offset will be the local offset.
Default: auto 
display
Displays the datetime in a specified format.
Depending on whether you have defined just a date, a time or both, the
default format will be different. If you specified a date, it will be
[year]-[month]-[day]. If you specified a time, it will be
[hour]:[minute]:[second]. In the case of a datetime, it will be
[year]-[month]-[day] [hour]:[minute]:[second].
See the format syntax for more information.
pattern  
 The format used to display the datetime.
Default: auto 
year
The year if it was specified, or none for times without a date.
month
The month if it was specified, or none for times without a date.
weekday
The weekday (counting Monday as 1) or none for times without a date.
day
The day if it was specified, or none for times without a date.
hour
The hour if it was specified, or none for dates without a time.
minute
The minute if it was specified, or none for dates without a time.
second
The second if it was specified, or none for dates without a time.
ordinal
The ordinal (day of the year), or none for times without a date.