📅 Date & Time Calculators
Calculate dates and times easily and accurately
Date & Time Tools
D-day Calculator
Calculate D-day to exam date, elapsed days, date 100 days later, etc.
Time Calculator
Provides various time calculations including time difference, time addition, timezone conversion.
Months Calculator
Accurately calculate period between two dates in months, weeks, and days.
Dog Age Calculator
Convert dog age to human years. Size-specific calculations provided.
Cat Age Calculator
Convert cat age to human years. Indoor/outdoor distinction provided.
World Clock
Automatically display major city times and time differences.
Pregnancy Calculator
Automatically calculate due date and ovulation date from last menstrual period.