---
title: date.weekDay() function
description: >
  `date.weekDay()` returns the day of the week for a specified time.
  Results range from `[0 - 6]`.
menu:
  flux_v0_ref:
    name: date.weekDay
    parent: date
    identifier: date/weekDay
weight: 101
---

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`date.weekDay()` returns the day of the week for a specified time.
Results range from `[0 - 6]`.

| Returned value | Day of the week |
| :------------: | :-------------- |
|       0        | Sunday          |
|       1        | Monday          |
|       2        | Tuesday         |
|       3        | Wednesday       |
|       4        | Thursday        |
|       5        | Friday          |
|       6        | Saturday        |

##### 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 day of the week for a time value](#return-the-day-of-the-week-for-a-time-value)
- [Return the day of the week for a relative duration](#return-the-day-of-the-week-for-a-relative-duration)
- [Return the current day of the week](#return-the-current-day-of-the-week)

### Return the day of the week for a time value

```js
import "date"

date.weekDay(t: 2020-02-11T12:21:03.29353494Z)// Returns 2


```


### Return the day of the week for a relative duration

```js
import "date"

option now = () => 2020-02-11T12:21:03.29353494Z

date.weekDay(t: -84h)// Returns 6


```


### Return the current day of the week

```js
import "date"

date.weekDay(t: now())

```