Tags » datetime shenanigans

• Localising the <time> with JavaScript

  I’m using the <time> element and some JavaScript to display timestamps as human-readable, localised timestamps. Something like Tue, 15 Apr 2025 at 20:45 BST is easier to read than 2025-04-15T19:45:00Z.

• TIL: There’s a musical that tells you the number of minutes in a year

  The song Seasons of Love from Rent starts with the line “Five hundred twenty-five thousand, six hundred minutes”.

• Preserving Dates during JSON serialisation with vanilla JS

  How to make sure you get a Date back when you call JSON.parse and JSON.stringify.

• Have a single definition of “now”

  Having one function that you always use to get the current time is super handy when debugging issues that only occur at specific times.

• What year is it? (A tale of ISO week dates)

  If you use ICU date formatting, make sure you use the right format specifier for year.

• Finding the months between two dates in Python

• Showing human-friendly dates in JavaScript

  What’s a nicer way to show a date than an ISO 8601 timestamp?

• Falsehoods programmers believe about Unix time

  It’s not quite the number of seconds since 1 January 1970.

• Darwin, pancakes and birthdays

  Looking at whether Darwin ever missed out on birthday cake for pancakes