How to Change Milliseconds to Seconds in Python

Convert milliseconds to hours, min, and seconds python

If You want one single function:

millis=input("Enter time in milliseconds ")
millis = int(millis)
seconds=(millis/1000)%60
seconds = int(seconds)
minutes=(millis/(1000*60))%60
minutes = int(minutes)
hours=(millis/(1000*60*60))%24

print ("%d:%d:%d" % (hours, minutes, seconds))

How do I change milliseconds to seconds in python?

Out of the many ways to address this, one way would be to specify that one of the operands is a float.

>>> 1762 / 1000 # Both integers
1

>>> 1762 / 1000.0 # One float
1.762

How to convert milliseconds to minutes:seconds output?

What about using a simple divmod? That way, minutes > 59 are possible and no imports needed, e.g.

milliseconds = 86400001 # a day and a millisecond... long song.

seconds, milliseconds = divmod(milliseconds, 1000)
minutes, seconds = divmod(seconds, 60)

print(f'{int(minutes):02d}:{int(seconds):02d}.{int(milliseconds):03d}')
# 1440:00.001

Is there a more efficient way to convert milliseconds to this format {minutes}:{seconds} ?

You could use an f-string:

duration = 350001
minutes, seconds = divmod(duration / 1000, 60)

f'{minutes:0>2.0f}:{seconds:.3f}'

Output:

'05:50.001'

How can you convert milliseconds in a format with hours, minutes and seconds in Python? (over 24 hours)

You can use the built-in divmod

def ms_to_hours(millis):
    seconds, milliseconds = divmod(millis, 1000)
    minutes, seconds = divmod(seconds, 60)
    hours, minutes = divmod(minutes, 60)
    return ("%d:%d:%d" % (hours, minutes, seconds))


if __name__ == '__main__':
    print(ms_to_hours(88000000))

Output:

24:26:40

How to convert milliseconds to time

What do you mean milliseconds to time?
If you want datetime format, use

timenow=datetime.timedelta(milliseconds=999999)

print(timenow)

the output is

0:16:39.999000

Datetime milliseconds to seconds in Pandas

Use floor with T for minutes for set 0 seconds:

#if necessary
#df['time'] = pd.to_datetime(df['time'])
df['time'] = df['time'].dt.floor('T')
#alternative solution
#df['time'] = df['time'].dt.floor('Min')

print (df)
                 time
0 2018-04-11 22:18:00
1 2018-04-11 23:00:00

I want round values time after 30sec is changed to next one:

df['time'] = df['time'].dt.round('T')
print (df)
                 time
0 2018-04-11 22:19:00
1 2018-04-11 23:00:00

Converting seconds to milliseconds/microseconds in Python

Sure! To convert seconds to milliseconds or microseconds, you multiply by the number of the desired divisions in a second (e.g. 1000 for milliseconds). No division needed!

If you don't want the decimal places, use round() or int() on the result.

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