Blog

Convert Unix timestamps to readable dates and back — understand epochs, timezones, and common developer pitfalls.

A practical explanation of leap year mechanics — orbital drift, calendar rules, and their impact on dates and age calculations.

Discover what day of the week you were born on using Zeller's congruence, perpetual calendars, and online date tools.

Plan retirement timing with age calculators — understand full retirement age, early benefits, and how to compute exact eligibility dates.

How students use age calculators for school enrollment, sports eligibility, exams, and scholarship deadlines — with practical examples.

Learn how ISO week numbers work, how to find the week of the year for any date, and common uses in planning and reporting.