Jul 30, 2026Discover the likelihood of having 52 Thursdays in a non-leap year and understand how the calendar affects this probability.

Jul 10, 2026Learn why it's impossible for a 30-day month to have 5 Sundays, explained with probability and calendar math.

May 12, 2026Learn why it is impossible to have 5 Sundays in a 30-day month due to calendar constraints on weeks and days.