## How to use the WEEKDAY function

*Article last updated on June 20, 2018*

Converts a date to a weekday number from 1 to 7.

Formula in cell D3:

### Excel Function Syntax

WEEKDAY(*serial_number*,[*return_type*])

### Arguments

serial_number |
Required. The Excel date value you want to extract the WEEKDAY number from. |

return_type |
Optional. Determines the type of return value, see table below. |

Return_type |
Number returned |
---|---|

1 or omitted | Numbers 1 to 7 for Sunday to Saturday. |

2 | Numbers 1 to 7 for Monday to Sunday. |

3 | Numbers 0 to 6 for Monday to Sunday. |

11 | Numbers 1 to 7 for Monday to Sunday. |

12 | Numbers 1 to 7 for Tuesday to Monday. |

13 | Numbers 1 to 7 for Wednesday to Tuesday. |

14 | Numbers 1 to 7 for Thursday to Wednesday. |

15 | Numbers 1 to 7 for Friday to Thursday . |

16 | Numbers 1 to 7 for Saturday to Friday . |

17 | Numbers 1 to 7 for Sunday to Saturday. |

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How to use the WEEKDAY function

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