caldat {clim.pact} | R Documentation

## Converts Julian days to month, day, and year

### Description

The function computes month, day, and year from Julian days. The code is based on the algortithm from Press et al. (1989), "Numerical Recipes in Pascal", Cambridge, p. 13. See also `chron` and `date` for similar functions. This function was included to avoid the dependency to the `chron` and `date` packages. See also `julday`.

### Usage

    caldat(julian)

### Arguments

`julian` | The Julian day from 1-1-1.

### Value

real

### Author(s)

R.E. Benestad

### Examples

    caldat(1)        # month=1, day=2, year=-4713
    caldat(1721424)  #       1,     1,          1
    caldat(2440588)  #       1,     1,       1970
    caldat(2452887)  #       9,     4,       2003

[Package Contents]