Time & Date Tools
Convert time zones, calculate durations, and format dates.
Featured tools
The high-traffic ones in this category.
Time Zone Converter
Convert times between global IANA time zones.
Age Calculator
Calculate exact age from birth date.
Date Difference Calculator
Find days and hours between two dates.
Unix Timestamp Converter
Convert Unix timestamps to readable dates and back.
Business Days Calculator
Count business days between two dates.
Countdown Calculator
Count down to a target date and time.
Resources
Concept explainers that link back to the tools.
Unix Timestamp Explained
Unix time counts seconds since January 1, 1970 UTC (epoch), widely used in APIs, logs, and databases.
Timezone Conversion Basics
Timezone conversion maps an instant in time between regional offsets and names, accounting for daylight saving rules.
ISO 8601 Date Format Explained
ISO 8601 standardizes dates as YYYY-MM-DD and times with optional timezone offsets for unambiguous exchange.
About time & date tools
Free time and date utilities to convert time zones, parse Unix timestamps, calculate age and date differences, and count business days.
- Schedule meetings across time zones
- Debug API timestamps in epoch seconds
- Calculate days between contract dates
- Plan deadlines excluding weekends
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