JulDate {FAO56}

Julian Date

Description

JulDate returns Julian Date.

Usage

JulDate(date)

Arguments

date

Optional. A character string that denotes the date in the format "Year-Month-Day" or "Year/Month/Day".

Details

This is a function to calculate Julian Date.

Value

The function returns Julian Date as a numeric scalar.

Reference

Allen, R. G., Pereira, L. S., Raes, D., & Smith, M. (1998). Crop evapotranspiration - Guidelines for computing crop water requirements - FAO Irrigation and drainage paper 56. Fao, Rome, 300(9), D05109.

See Also

DH, EarSunDis, SolDec.

Examples

JulDate(date = "2020-06-25")
JulDate(date = "2020/06/25")