# Date and time macros

Discover the available macros to work with date and time in CQL.

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- [Current-period macro](/reference/cql/expressions/macros/date-time/current-period): Learn how to get the current week, month, or year.
- [Elapsed-time macro](/reference/cql/expressions/macros/date-time/elapsed-time): Learn how to calculate the elapsed time between two date-time values.