# pvl_exceltime2matlab

Convert a Microsoft Excel time to a MATLAB datenum

## Contents

- Syntax
- Description
- Inputs
- Outputs
- Example
- See Also

## Syntax

`MatTime = pvl_exceltime2matlab(ExcTime)`

## Description

Converts a Microsoft Excel serial time to a MATLAB datenum. Specifically, it converts from Excel's "1900" date system (days from Jan-1-1900 00:00:00)to MATLAB's datenum date system (days from Jan-1-0000 00:00:00).

## Inputs

- `ExcTime` - an array of dates in Microsoft Excel's serial 1900 date system.

## Outputs

- `MatTime` - an array of dates in MATLAB's serial datenum format.

## Example

Example uses Jan 1, 1987 13:00

    ExcTime = 31778.541666667;
    MatTime = pvl_exceltime2matlab(ExcTime)
    datestr(MatTime)

    MatTime =

       7.2574e+05

    ans =

    01-Jan-1987 13:00:00

## See Also

`pvl_matlabtime2excel`

Copyright 2014 Sandia National Laboratories