Date Calculator

A comprehensive collection of professional date and time calculation tools, offering precise time difference calculations, intelligent workday counting, flexible date addition and subtraction, and more. Supports global time zone conversions, automatic holiday handling, suitable for project management, contract calculations, birthday countdowns, work duration tracking, and various other scenarios, making complex date calculations simple and efficient.

Time Difference Calculator

Accurately compute the difference between two date-times, supporting detailed display in multiple units such as years, months, days, hours, minutes, and seconds. Features intelligent time zone conversion, automatic workday and weekend counting, applicable to project timelines, precise age calculation, anniversary countdowns, and more.

Main Features:

  • Precise calculation of differences in years, months, days, hours, minutes, and seconds, supporting millisecond accuracy
  • Supports over 200 global time zones with intelligent adjustments for daylight saving time
  • Automatically counts workdays and weekends, with customizable workday settings
  • Provides total and visualized results in various time units

Business Days Calculator

Intelligently calculates the net number of workdays between two dates, automatically excluding weekends and statutory holidays of various countries. Supports holiday settings for multiple regions and provides detailed date analysis reports, making it an ideal tool for project management, payroll, and leave tracking.

Main Features:

  • Intelligent recognition of workday mode, supporting flexible calculation options

Date Addition & Subtraction Calculator

Performs precise date and time addition and subtraction based on a specified date, supporting units such as years, months, days, hours, minutes, and seconds. Smartly handles end-of-month dates, leap years, and daylight saving time changes. Offers batch calculations and history records, suitable for contract durations, repayment dates, project planning, and other date calculations.

Main Features:

  • Automatically save calculation history, supporting one-click application and management of history records