General

General calculators

Calculate year gaps, calendar dates, download times, and time-zone differences.

Moon Sign Calculator

Calculates moon sign from birth date, time, and UTC offset with a quick interpretation.

Compares cities and time zones on a selected date with DST-aware offsets and converted local times.

Adds or subtracts days from a date and calculates the number of days between two dates in one page.

Calculates exact age from DOB or estimates a date of birth from age, with birthday context.

Estimates download time from file size, speed, and protocol overhead with Mbps and MB/s context.

Compare two years, or calculate calendar years, months, and days between complete dates.