Rails 4: Set Application-Wide Date/DateTime/Time Display Format

If you are like me, you want the all dates and times to display throughout your application using the same format. This can be accomplished through the following procedure.

Create a new Rails ‘Initializer’ file in your application’s ‘/config/initializers’ directory titled ‘date_format.rb’ and then paste into that file the following Ruby script. Simply uncomment the format you wish to use for each of the types Date, DateTime, and Time.

# Date
# —————————-
#Date::DATE_FORMATS[:default] = “%Y-%m-%d” # 2013-11-03
#Date::DATE_FORMATS[:default] = “%B %e, %Y” # November 3, 2013
#Date::DATE_FORMATS[:default] = “%e %b %Y” # 3 Nov 2013
#Date::DATE_FORMATS[:default] = “%Y%m%d” # 20131103
#Date::DATE_FORMATS[:default] = “%e %b” # 3 Nov

# DateTime
# —————————-
#DateTime::DATE_FORMATS[:default] = “%Y-%m-%d” # 2013-11-03 14:22:18
#DateTime::DATE_FORMATS[:default] = “%B %e, %Y” # November 3, 2013 14:22
#DateTime::DATE_FORMATS[:default] = “%e %b %Y” # Sun, 3 Nov 2013 14:22:18 -0700
#DateTime::DATE_FORMATS[:default] = “%Y%m%d” # 20131103142218
#DateTime::DATE_FORMATS[:default] = “%e %b” # 3 Nov 14:22

# Time
# —————————-
#Time::DATE_FORMATS[:default] = “%Y-%m-%d %H:%M:%S” # 2013-11-03 14:22:18
#Time::DATE_FORMATS[:default] = “%B %d, %Y %H:%M” # November 3, 2013 14:22
#Time::DATE_FORMATS[:default] = “%a, %d %b %Y %H:%M:%S %z” # Sun, 3 Nov 2013 14:22:18 -0700
#Time::DATE_FORMATS[:default] = “%d %b %H:%M” # 3 Nov 14:22
#Time::DATE_FORMATS[:default] = “%Y%m%d%H%M%S” # 20131103142218
#Time::DATE_FORMATS[:default] = “%H:%M” # 14:22

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