How to compare times in Python

Question

I see that date comparisons can be done and there s also datetime timedelta    but I m struggling to find out how to check if the current time  datetime datetime now    is earlier  later or the same than a specified time  e g  8am  regardless of the date

User · Answer

Surprised I haven t seen this one liner here   datetime datetime now   hour    8

User · Answer

You Can Use Timedelta fuction for x time increase comparision   gt  gt  gt  import datetime    gt  gt  gt  now   datetime datetime now    gt  gt  gt  after 10 min   now   datetime timedelta minutes   10   gt  gt  gt  now  gt  after 10 min   False  Just A combination of these answers this And Roger

User · Answer

You can use the time   method of datetime objects to get the time of day  which you can use for comparison without taking the date into account    gt  gt  gt  this morning   datetime datetime 2009  12  2  9  30   gt  gt  gt  last night   datetime datetime 2009  12  1  20  0   gt  gt  gt  this morning time    lt  last night time   True

User · Answer

You can compare datetime datetime objects directly  E g    gt  gt  gt  a datetime datetime 2009  12  2  10  24  34  198130   gt  gt  gt  b datetime datetime 2009  12  2  10  24  36  910128   gt  gt  gt  a  lt  b True  gt  gt  gt  a  gt  b False  gt  gt  gt  a    a True  gt  gt  gt  b    b True  gt  gt  gt

User · Answer

datetime have comparison capability   gt  gt  gt  import datetime  gt  gt  gt  import time  gt  gt  gt  a    datetime datetime now    gt  gt  gt  time sleep 2 0   gt  gt  gt  b    datetime datetime now    gt  gt  gt  print a  lt  b True  gt  gt  gt  print a    b False

User · Answer

Inspired by Roger Pate   import datetime def todayAt  hr  min 0  sec 0  micros 0      now   datetime datetime now      return now replace hour hr  minute min  second sec  microsecond micros         Usage demo1  print todayAt  17   todayAt  17  15     Usage demo2      timeNow   datetime datetime now   if timeNow  lt  todayAt  13      print  Too Early

User · Answer

Another way to do this without adding dependencies or using datetime is to simply do some math on the attributes of the time object  It has hours  minutes  seconds  milliseconds  and a timezone  For very simple comparisons  hours and minutes should be sufficient   d   datetime utcnow   t   d time   print t hour t minute t second   I don t recommend doing this unless you have an incredibly simple use-case  For anything requiring timezone awareness or awareness of dates  you should be using datetime

User · Answer

You can t compare a specific point in time  such as  right now   against an unfixed  recurring event  8am happens every day    You can check if now is before or after today s 8am    gt  gt  gt  import datetime  gt  gt  gt  now   datetime datetime now    gt  gt  gt  today8am   now replace hour 8  minute 0  second 0  microsecond 0   gt  gt  gt  now  lt  today8am True  gt  gt  gt  now    today8am False  gt  gt  gt  now  gt  today8am False

[python] How to compare times in Python?

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