Question

In Python how do I :

• Generate a 12 hour clock (hh:mm am/pm) randomly and then convert that clock to the equivalent 24 hour clock (hh:mm).
• AND
• Generate a 24 hour clock (hh:mm) randomly and then convert that clock to the equivalent 12 hour clock (hh:mm am/pm).

Answer 1

Code for converting random 12 hour clock to 24 hour clock:

I am giving 2 methods for it (i.e. two codes)

1)

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import random
hh = random.randint(1,12)
mm = random.randint(0,60)
x = random.randint(0,1)

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[2:6]

if mm>=0 and mm<=9:
   m = "0" +str(mm)
else:
   m = str(mm)  

if hh>=0 and hh<=9:
   h = "0" +str(hh)
else:
   h = str(hh)  

if x == 1:
   z = "PM"
if x==0:
   z = "AM"
# Driver Code   
print(h+":"+ m+" "+z)
print(convert24(h+":"+ m+" "+z))

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2)

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from datetime import datetime
import random
hh = random.randint(1,12)
mm = random.randint(0,60)
x = random.randint(0,1)

if mm>=0 and mm<=9:
   m = "0" +str(mm)
else:
   m = str(mm)  

if hh>=0 and hh<=9:
   h = "0" +str(hh)
else:
   h = str(hh)  
if x == 1:
   z = "PM"
if x==0:
   z = "AM"

d = datetime.strptime(h+":"+m+" "+z,"%I:%M %p" )
print(h+":"+m+" "+z)
print(d.strftime("%H:%M"))

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Now Code to convert 24 hour clock to 12 hour clock:

------------------------------------------------------------------------------------------------------------------------------------------------------

from datetime import datetime
import random
hh = random.randint(0,23)
mm = random.randint(0,60)

if mm>=0 and mm<=9:
   m = "0" +str(mm)
else:
   m = str(mm)  

if hh>=0 and hh<=9:
   h = "0" +str(hh)
else:
   h = str(hh)  

d = datetime.strptime(h+":"+m, "%H:%M")
print(h+":"+m)
print(d.strftime("%I:%M %p"))

------------------------------------------------------------------------------------------------------------------------------------------------------------

Outputs for both the codes:

12 hour to 24 hour:

Activities Terminal Tue Jul 2, 02:50 aakash@aakash-HP-Notebook: ~- File Edit View Search Terminal Help aakash@aakash- HP- Notebook:- python as.py 09:21 AM aakash@aakash-HP-Notebook: -$ python as.py 09:60 PM 21:60 aakash-HP- Notebook : ~$ python as.py 87:58 RM 19: 58 aakash@aakash- HP- Notebook : ~$ python as.py AM 11:29 aakash@aakash - HP- Notebook: -$ python as.py 05:26 AM aakash@aakash - HP- Notebook: -$ python as.py 09:30 AM aakasb@aakash-HP- Notebook:-$ python as.py 10:25 PM 22:25 aakash - HP - Notebook:-$ python as.py 87:13 PM 19:13 Paakash@aakash-HP - Notebook:-$ python as.py AM B6-97 aakash@aakash-HP - Notebook: $ python as.py 05:48 PM aakash@aakash-HP-Notebook : -$ python as.py 09:52 PM 21: 52 sh@aakash - HP- Notebook : -$ python as.py 05:28 PM 17:28 aakash@aakash - HP - Notebook:-$ python as.py PM aakash@aakash- HP - Notebook: $ python as.py 04:24 PM aakash@aakash - HP- Notebook: $

24 hour to 12 hour

Activities Terminal 7 4 95 %. Tue Jul 2,02:53 aakash@aakash-HP-Notebook: ~ File Edit View Search Terminal Help aakash@aakash- HP- Notebook:- python ed.py 21:46 aakasbaaakash -HP - Notebook: -$ python ed.py 17:46 05:46 PM eshaakash-HP - Notebook: -$ python ed.py 03:49 PM aakash@aakash - HP- Notebook: -$ python ed.py 06:06 AM aakash@aakash - HP- Notebook: -$ python ed.py 01:10 aakash@aakash - HP- Notebook:-$ python ed.py 15:37 akacbaaakash - HP - Notebook:-$ python ed.py 17:04 05:04 PM sh@aakash-HP- Notebook : ~-$ python ed. py 81:49 01:49 AM Paakash@aakash- HP - Notebook : ~$ python ed.py 01:17 PM aakash@aakash - HP - Notebook:-$ python ed.py 08:57 aakash@aakash - HP - Notebook : ~$ python ed.py 09:47 99:47 vash- HP - Notebook:-$ python ed.py 12:11 12:11 PM aakash@aakash - HP - Notebook:-$ python ed.py B4: 21 PM aakash@aakash - HP- Notebook: ~$