Date Calculators

Work out the gap between two dates, the weekday of any date, week numbers, ages, hours from now and time zone differences.

Tools in this category

Date Duration CalculatorDays, weeks, months and hours between two dates.What Day of the Week Is It?Find the weekday of any date.What Week Is It?Find the ISO week number of any date.How Old Am I?Exact age in years, months and days.Hours From Now CalculatorWhat time it will be after adding hours.Time Zone ConverterConvert time between world time zones.

Every page in Date Calculators

Each link below opens a live page that is recalculated from today’s date.

Weekday of January dates

Weekday of February dates

Weekday of March dates

Weekday of April dates

Weekday of May dates

Weekday of June dates

Weekday of July dates

Weekday of August dates

Weekday of September dates

Weekday of October dates

Weekday of November dates

Weekday of December dates

Dates of each ISO week

Week numbers by year

Age by birth year

Hours from now

Convert from Eastern Time

Convert from Pacific Time

Convert from London

Convert from India (IST)

Convert from Pakistan (PKT)

Convert from Dubai

Convert from Tokyo (JST)

Convert from Sydney

Ready-made date ranges

Also popular

Days until the big dates

Weeks until