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Dealing with Dates and Times in Python
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Dealing with Dates and Times in Python

Dealing with Dates and Times in Python

1. Working with Dates
What Day is it Today?Creating a Date ObjectDate AttributesDate MethodsDate FormatsOne More FormattingDate DifferenceArithmetic Operations with timedelta Objects
2. Working with Times
What Time is it Now?Creating a datetime ObjectDatetime AttributesDatetime MethodsDatetime Formats12-Hour and 24-Hour FormatsDate and Time DifferenceReading Date and Time from String
3. Timezones and Daylight Savings Time (DST)
The Variery of TimezonesTimezone ExamplesApplying Timezone to Datetime ObjectWhat Time is it in ... ?Daylight Savings Time
4. Working with Dates and Times in pandas
Challenge: What Will We Work With?Challenge: Converting Columns into datetime TypeChallenge: Extreme Trips DurationsChallenge: InvestigationChallenge: Negative Trip DurationChallenge: Is this Common Issue?Challenge: Fixing the IssuesChallenge: Average Metrics Across Taxi TypesChallenge: Corrected Metrics Across Taxi TypesChallenge: Group by Period?

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Date and Time Difference

Remember the timedelta object we learned in the first section? At that time we missed the time part in timedelta objects since we compared two dates only. Now there is even more sense in using timedelta since we can perform different operations with time also.

For example, imagine that we have both departure and arrival times on the ticket. Using timedelta we can easily calculate the expected duration for this trip.

  • Departure: 25 May 2021, 18:20
  • Arrive: 26 May 2021, 07:40

              
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# Load classes from library
from datetime import datetime
from datetime import timedelta

# Create two datetimes objects
dep = datetime(2021, 5, 25, 18, 20)
arr = datetime(2021, 5, 26, 7, 40)

# Calculate estimated trip duration
print(f"Estimated trip duration: {arr - dep}")
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Sydney - Perth is one of the world's longest direct rail route, running for 4,352 kilometers or 2,704 miles. The ticket information looks as follows:

  • Departure: July 19, 03:00 PM
  • Arrival: July 23, 03:00 PM.

The year on the tickets is 2022. Create variables dep and arr with the respective dates and times and calculate the duration of such a trip.

Løsning

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Sektion 2. Kapitel 7
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book
Date and Time Difference

Remember the timedelta object we learned in the first section? At that time we missed the time part in timedelta objects since we compared two dates only. Now there is even more sense in using timedelta since we can perform different operations with time also.

For example, imagine that we have both departure and arrival times on the ticket. Using timedelta we can easily calculate the expected duration for this trip.

  • Departure: 25 May 2021, 18:20
  • Arrive: 26 May 2021, 07:40

              
12345678910

            
# Load classes from library
from datetime import datetime
from datetime import timedelta

# Create two datetimes objects
dep = datetime(2021, 5, 25, 18, 20)
arr = datetime(2021, 5, 26, 7, 40)

# Calculate estimated trip duration
print(f"Estimated trip duration: {arr - dep}")
copy
Opgave

Swipe to start coding

Sydney - Perth is one of the world's longest direct rail route, running for 4,352 kilometers or 2,704 miles. The ticket information looks as follows:

  • Departure: July 19, 03:00 PM
  • Arrival: July 23, 03:00 PM.

The year on the tickets is 2022. Create variables dep and arr with the respective dates and times and calculate the duration of such a trip.

Løsning

Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

Sektion 2. Kapitel 7
Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
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