--- title: date.hour() function description: > `date.hour()` returns the hour of a specified time. Results range from `[0 - 23]`. menu: flux_v0_ref: name: date.hour parent: date identifier: date/hour weight: 101 --- `date.hour()` returns the hour of a specified time. Results range from `[0 - 23]`. ##### Function type signature ```js (t: A, ?location: {zone: string, offset: duration}) => int where A: Timeable ``` {{% caption %}} For more information, see [Function type signatures](/flux/v0/function-type-signatures/). {{% /caption %}} ## Parameters ### t ({{< req >}}) Time to operate on. Use an absolute time, relative duration, or integer. Durations are relative to `now()`. ### location Location used to determine timezone. Default is the `location` option. ## Examples - [Return the hour of a time value](#return-the-hour-of-a-time-value) - [Return the hour of a relative duration](#return-the-hour-of-a-relative-duration) - [Return the current hour](#return-the-current-hour) - [Return the hour in localtime ](#return-the-hour-in-localtime) ### Return the hour of a time value ```js import "date" date.hour(t: 2020-02-11T12:21:03.29353494Z)// Returns 12 ``` ### Return the hour of a relative duration ```js import "date" option now = () => 2020-02-11T12:21:03.29353494Z date.hour(t: -8h)// Returns 7 ``` ### Return the current hour ```js import "date" date.hour(t: now()) ``` ### Return the hour in local time ```js import "date" import "timezone" date.hour(t: r._time, location: timezone.location(name: "Europe/Berlin")) ```