convertToDateTime {openxlsx}

Convert from excel time number to R POSIXct type.

Description

Convert from excel time number to R POSIXct type.

Usage

convertToDateTime(x, origin = "1900-01-01", ...)

Arguments

x

A numeric vector

origin

date. Default value is for Windows Excel 2010

...

Additional parameters passed to as.POSIXct

Details

Excel stores dates as number of days from some origin date

Examples

## 2014-07-01, 2014-06-30, 2014-06-29
x <- c(41821.8127314815, 41820.8127314815, NA, 41819, NaN)
convertToDateTime(x)
convertToDateTime(x, tz = "Australia/Perth")
convertToDateTime(x, tz = "UTC")