All day, week, month, quarter, year... in Rails
Rails has some fancy helpers on date and time objects:
date = Time.zone.today
date.all_day
# => Wed, 12 May 2021 00:00:00.000000000 UTC +00:00..Wed, 12 May 2021 23:59:59.999999999 UTC +00:00
date.all_week
# => Mon, 10 May 2021..Sun, 16 May 2021
date.all_month
# => Sat, 01 May 2021..Mon, 31 May 2021
all_quarter
# => Thu, 01 Apr 2021..Wed, 30 Jun 2021
date.all_year
# => Fri, 01 Jan 2021..Fri, 31 Dec 2021https://api.rubyonrails.org/v6.1.3/classes/DateAndTime/Calculations.html