# Convert Dates to and from Strings

You can convert dates to strings.

- **[date_to_string(DateTime | DateOnly, format)](/docs/analytics/bi-dev-guide-saql/guide/bi-saql-functions-timezone-date2string.md)**

  Converts a date to a string.

- **[toDateTime(epoch)](/docs/analytics/bi-dev-guide-saql/guide/bi-saql-functions-timezone-datetime-epoch.md)**

  Converts an epoch day to a `DateTime` type.

- **[toDateTime(string, format)](/docs/analytics/bi-dev-guide-saql/guide/bi-saql-functions-timezone-datetime-string.md)**

  Converts a date in string format to a `DateTime` type. *“format”* specifies the date format and can be any valid date format.

- **[toDateOnly(epoch)](/docs/analytics/bi-dev-guide-saql/guide/bi-saql-functions-timezone-dateonly-epoch.md)**

  Converts an epoch to a `DateOnly` type.

- **[toDateOnly(string, format)](/docs/analytics/bi-dev-guide-saql/guide/bi-saql-functions-timezone-dateonly-string.md)**

  Converts a date in string format to a `DateOnly` type. *format* specifies the date format and can be any valid date format.