PYTHON

how to convert 24 hours to 12 hours in python

from datetime import datetime
d = datetime.strptime("10:30", "%H:%M")
print(d.strftime("%I:%M %p")) # outputs '10:30 AM'
d = datetime.strptime("22:30", "%H:%M")
print(d.strftime("%I:%M %p")) # outputs'10:30 PM'

#9. Python program to convert time from 12 hour to 24 hour format

# Python program to convert time
# from 12 hour to 24 hour format
 
# Function to convert the date format
def convert24(str1):
     
    # Checking if last two elements of time
    # is AM and first two elements are 12
    if str1[-2:] == "AM" and str1[:2] == "12":
        return "00" + str1[2:-2]
         
    # remove the AM    
    elif str1[-2:] == "AM":
        return str1[:-2]
     
    # Checking if last two elements of time
    # is PM and first two elements are 12
    elif str1[-2:] == "PM" and str1[:2] == "12":
        return str1[:-2]
         
    else:
         
        # add 12 to hours and remove PM
        return str(int(str1[:2]) + 12) + str1[2:8]
 
# Driver Code        
print(convert24("08:05:45 PM"))

python convert 12 hour time to 24 hour

df['Time'] = pd.to_datetime(df['Time'], format='%I:%M:%S %p').dt.strftime('%H:%M:%S')
print (df)
       Time
1  17:21:26
2  17:21:58
3  17:22:22
4  17:22:36
5  19:18:16