Printing and parsing datetimes

Working with Dates and Times in Python

Max Shron

Data Scientist and Author

Printing datetimes

# Create datetime
dt = datetime(2017, 12, 30, 15, 19, 13)

print(dt.strftime("%Y-%m-%d"))

2017-12-30

print(dt.strftime("%Y-%m-%d %H:%M:%S"))

2017-12-30 15:19:13

print(dt.strftime("%H:%M:%S on %Y/%m/%d/"))

15:19:13 on 2017/12/30

# ISO 8601 format
print(dt.isoformat())

2017-12-30T15:19:13

# Import datetime
from datetime import datetime

# Import datetime
from datetime import datetime

dt = datetime.strptime(

# Import datetime
from datetime import datetime

dt = datetime.strptime("12/30/2017 15:19:13"

# Import datetime
from datetime import datetime

dt = datetime.strptime("12/30/2017 15:19:13", 
                       "%m/%d/%Y %H:%M:%S")

# What did we make?
print(type(dt))

<class 'datetime.datetime'>

# Print out datetime object
print(dt)

2017-12-30 15:19:13

# Import datetime
from datetime import datetime

# Incorrect format string
dt = datetime.strptime("2017-12-30 15:19:13", "%Y-%m-%d")

ValueError: unconverted data remains:  15:19:13

# A timestamp
ts = 1514665153.0

# Convert to datetime and print
print(datetime.fromtimestamp(ts))

2017-12-30 15:19:13

Working with Dates and Times in Python