Rails formatting date
Use
Model.created_at.strftime("%FT%T")
where,
%F - The ISO 8601 date format (%Y-%m-%d)%T - 24-hour time (%H:%M:%S)
Following are some of the frequently used useful list of Date
and Time
formats that you could specify in strftime
method:
Date (Year, Month, Day): %Y - Year with century (can be negative, 4 digits at least) -0001, 0000, 1995, 2009, 14292, etc. %C - year / 100 (round down. 20 in 2009) %y - year % 100 (00..99) %m - Month of the year, zero-padded (01..12) %_m blank-padded ( 1..12) %-m no-padded (1..12) %B - The full month name (``January'') %^B uppercased (``JANUARY'') %b - The abbreviated month name (``Jan'') %^b uppercased (``JAN'') %h - Equivalent to %b %d - Day of the month, zero-padded (01..31) %-d no-padded (1..31) %e - Day of the month, blank-padded ( 1..31) %j - Day of the year (001..366)Time (Hour, Minute, Second, Subsecond): %H - Hour of the day, 24-hour clock, zero-padded (00..23) %k - Hour of the day, 24-hour clock, blank-padded ( 0..23) %I - Hour of the day, 12-hour clock, zero-padded (01..12) %l - Hour of the day, 12-hour clock, blank-padded ( 1..12) %P - Meridian indicator, lowercase (``am'' or ``pm'') %p - Meridian indicator, uppercase (``AM'' or ``PM'') %M - Minute of the hour (00..59) %S - Second of the minute (00..59) %L - Millisecond of the second (000..999) %N - Fractional seconds digits, default is 9 digits (nanosecond) %3N millisecond (3 digits) %6N microsecond (6 digits) %9N nanosecond (9 digits) %12N picosecond (12 digits)
For the complete list of formats for strftime
method please visit APIDock
Try this:
created_at.strftime('%FT%T')
It's a time formatting function which provides you a way to present the string representation of the date. (http://ruby-doc.org/core-2.2.1/Time.html#method-i-strftime).
From APIdock:
%Y%m%d => 20071119 Calendar date (basic)%F => 2007-11-19 Calendar date (extended)%Y-%m => 2007-11 Calendar date, reduced accuracy, specific month%Y => 2007 Calendar date, reduced accuracy, specific year%C => 20 Calendar date, reduced accuracy, specific century%Y%j => 2007323 Ordinal date (basic)%Y-%j => 2007-323 Ordinal date (extended)%GW%V%u => 2007W471 Week date (basic)%G-W%V-%u => 2007-W47-1 Week date (extended)%GW%V => 2007W47 Week date, reduced accuracy, specific week (basic)%G-W%V => 2007-W47 Week date, reduced accuracy, specific week (extended)%H%M%S => 083748 Local time (basic)%T => 08:37:48 Local time (extended)%H%M => 0837 Local time, reduced accuracy, specific minute (basic)%H:%M => 08:37 Local time, reduced accuracy, specific minute (extended)%H => 08 Local time, reduced accuracy, specific hour%H%M%S,%L => 083748,000 Local time with decimal fraction, comma as decimal sign (basic)%T,%L => 08:37:48,000 Local time with decimal fraction, comma as decimal sign (extended)%H%M%S.%L => 083748.000 Local time with decimal fraction, full stop as decimal sign (basic)%T.%L => 08:37:48.000 Local time with decimal fraction, full stop as decimal sign (extended)%H%M%S%z => 083748-0600 Local time and the difference from UTC (basic)%T%:z => 08:37:48-06:00 Local time and the difference from UTC (extended)%Y%m%dT%H%M%S%z => 20071119T083748-0600 Date and time of day for calendar date (basic)%FT%T%:z => 2007-11-19T08:37:48-06:00 Date and time of day for calendar date (extended)%Y%jT%H%M%S%z => 2007323T083748-0600 Date and time of day for ordinal date (basic)%Y-%jT%T%:z => 2007-323T08:37:48-06:00 Date and time of day for ordinal date (extended)%GW%V%uT%H%M%S%z => 2007W471T083748-0600 Date and time of day for week date (basic)%G-W%V-%uT%T%:z => 2007-W47-1T08:37:48-06:00 Date and time of day for week date (extended)%Y%m%dT%H%M => 20071119T0837 Calendar date and local time (basic)%FT%R => 2007-11-19T08:37 Calendar date and local time (extended)%Y%jT%H%MZ => 2007323T0837Z Ordinal date and UTC of day (basic)%Y-%jT%RZ => 2007-323T08:37Z Ordinal date and UTC of day (extended)%GW%V%uT%H%M%z => 2007W471T0837-0600 Week date and local time and difference from UTC (basic)%G-W%V-%uT%R%:z => 2007-W47-1T08:37-06:00 Week date and local time and difference from UTC (extended)
Create an initializer for it:
# config/initializers/time_formats.rb
Add something like this to it:
Time::DATE_FORMATS[:custom_datetime] = "%d.%m.%Y"
And then use it the following way:
post.updated_at.to_s(:custom_datetime)
⚠️ You have to restart rails server for this to work.
Check the documentation for more information:http://api.rubyonrails.org/v5.1/classes/DateTime.html#method-i-to_formatted_s