openxlsx2 (version 0.8)

convert_date: Convert from Excel date, datetime or hms number to R Date type

Description

Convert from Excel date number to R Date type

Usage

convert_date(x, origin = "1900-01-01", ...)
convert_datetime(x, origin = "1900-01-01", ...)
convert_hms(x)

Value

A date, datetime, or hms.

Arguments

x

A vector of integers

origin

date. Default value is for Windows Excel 2010

...

Arguments passed on to base::as.Date

Details

Excel stores dates as number of days from some origin day

See Also

wb_add_data()

Examples

# date --
## 2014 April 21st to 25th
convert_date(c(41750, 41751, 41752, 41753, 41754, NA))
convert_date(c(41750.2, 41751.99, NA, 41753))

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

# hms ---
## 12:13:14
x <- 0.50918982
convert_hms(x)