> For the complete documentation index, see [llms.txt](https://docs.cascade.io/cascade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time.md).

# Date/Time Functions

- [DATEADD](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/dateadd.md): Adds or subtracts a specific number of time steps from a date
- [DATEDIF](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/datedif.md): Calculates the number of time steps between two dates
- [DATENAME](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/datename.md): Returns text corresponding to the specified part of a given date
- [DATENORMALIZE](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/datenormalize.md): Converts times to midnight
- [DATEPART](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/datepart.md): Returns the specified part of a given date
- [DATETRUNC](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/datetrunc.md): Truncates a date to the beginning of the specified period
- [DAY](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/day.md): Calculates the day of the month for a given date
- [DAYS](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/days.md): Calculates the number of days between two dates
- [HOUR](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/hour.md): Calculates the hour corresponding to a date/time value
- [ISDATE](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/isdate.md): Determines if a given date is a valid date
- [ISOWEEKDAY](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/isoweekday.md): Returns the ISO8601 weekday of a given date
- [ISOWEEK](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/isoweek.md): Returns the ISO8601 week of a given date
- [ISOQUARTER](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/isoquarter.md): Returns the ISO8601 quarter of a given date
- [ISOYEAR](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/isoyear.md): Returns the ISO8601 year of a given date
- [MAKEDATE](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/makedate.md): Create a date/time value from a given year, month, and day
- [MAKEDATETIME](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/makedatetime.md): Create a date/time value from a given date and time
- [MINUTE](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/minute.md): Calculates the minute corresponding to a date/time value
- [MONTH](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/month.md): Calculates the month for a given date
- [NOW](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/now.md): Returns current timestamp on local system
- [QUARTER](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/quarter.md): Returns the quarter of a given date
- [SECOND](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/second.md): Calculates the second corresponding to a date/time value
- [TODAY](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/today.md): Returns the current date
- [WEEK](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/week.md): Calculates the week for a given date
- [WEEKDAY](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/weekday.md): Converts a date into an integer corresponding to a day of the week
- [YEAR](https://docs.cascade.io/cascade/functions-and-expressions/functions/date-time/year.md): Calculates the year for a given date