Bash Script Convert Julian Date To A Calendar Date

  

Bash script convert julian date to a calendar dateCalendar

Date and Time functions are useful for:

  1. Enter either a Calendar date, or a Julian date and click Calculate. Related Categories: Lead Time Day Number, Week Number, Day of Week Date Difference.
  2. To convert a Julian date to the current date, you can simply use DATE(0,0,0) +, where is the Julian date. For for example, if the number appears as “2454917″, the formula in Strata would be: date(0,0,0) + 2454917 the result would be March, 26, 2009 Unix Timestamps. A unix timestamp is the number of seconds since 1970.
  3. Gregoriantojd can be used to convert such dates to their Julian Day count. Jdtojulian - Converts a Julian Day Count to a Julian Calendar Date.
  • Calculations with date and time values
  • Determine the age of files in days
  • Determine the date difference in days
Convert

The example in this section demonstrates how to use the :ftime function to determine the age in days of all files in the temp directory.

Bash Script Convert Julian Date To A Calendar Date 2020

Two variables are used

If you hover over the julian-date tag it says: The term 'Julian date' also refers to the day-of-year number (more properly, the ordinal date) in the Gregorian calendar, especially in computer programming, the military and the food industry. – Squashman Jan 13 '16 at 22:44.

  • tnow - stores the current day in julian days format by calling :jdate
  • tfile - stores the file date in julian days format by calling :ftime

Bash Script Convert Julian Date To A Calendar Date

Using Delayed Expansion and exclamation marks around environment variables ensures that the `tfile`variable is substituted properly during each loop. Read more about this behavior in the SET command help (bottom half of the help text).