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Python Datetime | Datetime constructor

Standard Library
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Datetime
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Documentation
schedule Jul 1, 2022
Last updated
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The datetime class creates datetime objects that contain information from both date and time objects.

Examples

1. Get Current Date and Time in Local Time

from datetime import datetime
current_datetime = datetime.now()
print(current_datetime)
2020-03-20 06:41:11.263686

current_datetime is a naive datetime object containing the current local date and time.

2. Create custom datetime object

from datetime import datetime
#datetime(year, month, day)
a = datetime(2020, 3, 20)
print(a)
# datetime(year, month, day, hour, minute, second, microsecond)
b = datetime(2020, 3, 20, 10, 17, 55, 123456)
print(b)
2020-03-20 00:00:00
2020-03-20 10:17:55.123456

Please note that the first three arguments for datetime(year, month, day) are mandatory.

3. Retrieve UTC time now and store it as a timestamp

from datetime import datetime, timezone
a = datetime.utcnow()
b = a.replace(tzinfo=timezone.utc).timestamp()
print(a)
print(b)
2020-03-20 02:22:03.472656
1584670923.472656

We explicitly specify timezone.utc as by default .timestamp() assumes that your naive datetime object is in local timezone.

robocat
Published by Isshin Inada
Edited by 0 others
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