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LeetCode solutions

1283. Reformat Date

My accepted Python solution to LeetCode problem 1283, Reformat Date, running in 0ms.

  • Difficulty: Easy
  • Python
  • Runtime 0ms
  • Memory 17.1MB

Read the problem on LeetCode View on GitHub

The problem statement is LeetCode’s and stays on their site. What follows is my accepted solution.

Python

Accepted on LeetCode — runtime 0ms, memory 17.1MB, accepted 2025-12-29.

python
class Solution:
    def reformatDate(self, date: str) -> str:
        months = {"Jan": "01", "Feb": "02", "Mar": "03", "Apr": "04", "May": "05", "Jun": "06",
                  "Jul": "07", "Aug": "08", "Sep": "09", "Oct": "10", "Nov": "11", "Dec": "12"}
        parts = date.split()
        day = parts[0][:-2].zfill(2)
        month = months[parts[1]]
        year = parts[2]
        return f"{year}-{month}-{day}"

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