[**pray-calc v2.1.1**](../README.md)

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[pray-calc](../README.md) / getMscFajr

# Function: getMscFajr()

> **getMscFajr**(`date`, `latitude`): `number`

Defined in: [getMSC.ts:103](https://github.com/acamarata/pray-calc/blob/af34aef986c37d8de9cf8db0744a41e3b0c99c40/src/getMSC.ts#L103)

Compute Fajr offset in minutes before sunrise using the MCW algorithm.

Returns minutes before sunrise. At latitudes above 55°, the 1/7-night
approximation is recommended (handled at the calling site).

## Parameters

### date

`Date`

Observer's local date

### latitude

`number`

Observer latitude in decimal degrees

## Returns

`number`

Minutes before sunrise for Fajr (Subh Sadiq)

## Example

```ts
const offset = getMscFajr(new Date('2024-06-21'), 40.7128);
// offset ≈ 93 (minutes before sunrise for New York in summer)
```