freecodecamp--freecodecamp/curriculum/challenges/english/blocks/daily-coding-challenges-python/68ee9e3066cfd4eb2328e8a7.md

id, title, challengeType, dashedName

id	title	challengeType	dashedName
68ee9e3066cfd4eb2328e8a7	Challenge 88: Weekday Finder	29	challenge-88

--description--

Given a string date in the format YYYY-MM-DD, return the day of the week.

Valid return days are:

• "Sunday"
• "Monday"
• "Tuesday"
• "Wednesday"
• "Thursday"
• "Friday"
• "Saturday"

Be sure to ignore time zones.

--hints--

get_weekday("2025-11-06") should return Thursday.

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_weekday("2025-11-06"), "Thursday")`)
}})

get_weekday("1999-12-31") should return Friday.

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_weekday("1999-12-31"), "Friday")`)
}})

get_weekday("1111-11-11") should return Saturday.

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_weekday("1111-11-11"), "Saturday")`)
}})

get_weekday("2112-12-21") should return Wednesday.

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_weekday("2112-12-21"), "Wednesday")`)
}})

get_weekday("2345-10-01") should return Monday.

({test: () => { runPython(`
from unittest import TestCase
TestCase().assertEqual(get_weekday("2345-10-01"), "Monday")`)
}})

--seed--

--seed-contents--

def get_weekday(date_string):

    return date_string

--solutions--

import datetime
def get_weekday(date_string):
    days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
    year, month, day = map(int, date_string.split("-"))
    date = datetime.date(year, month, day)

    return days[date.weekday() % 7 + 1 if date.weekday() != 6 else 0]