🇱🇰 Date & Time Calculator — Sri Lanka
Free date and time tools for Sri Lanka, pre-configured with Asia/Colombo timezone and DD/MM/YYYY date format.
All Tools for Sri Lanka
Every tool below is pre-configured for Sri Lanka with local timezone and date format defaults.
📅
Date Difference Calculator
Calculate the exact number of days, weeks, or months between any two dates.
➕
Add or Subtract Days Calculator
Add or subtract any number of days, weeks, or months from a date.
🎂
Age Calculator
Calculate your exact age in years, months, and days from your birthdate.
🌍
Time Zone Converter
Convert time between any two timezones worldwide with DST accuracy.
⏳
Days Until Calculator
Count the exact number of days until any future date or event.
📆
Weekday Calculator
Find out what day of the week any date falls on — past or future.
💼
Business Days Calculator
Count working days between two dates, excluding weekends and holidays.
🔢
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
🔄
Date Format Converter
Convert dates between different formats: DD/MM/YYYY, MM/DD/YYYY, ISO 8601, and more.
🗓️
Leap Year Checker
Check whether any year is a leap year using the Gregorian calendar formula.
⏱️
Time Duration Calculator
Calculate the exact duration between two times in hours, minutes, and seconds.
📋
Calendar Week Number
Find the ISO week number for any date and the start/end of that week.
Sri Lanka Configuration
Timezone
Asia/Colombo
Date Format
DD/MM/YYYY
Languages
SI + EN
Currency
LKR