About DateToolMage

DateToolMage is a browser-first date, duration, calendar and time-related calculation workbench.

What it owns

• date difference
• days between dates
• add/subtract dates
• business-day calculations
• age/date calculations
• day-of-week calculations
• duration/calendar reasoning
• date countdown calculations
• week-number/calendar utilities

What it is not

• generic calculator site
• generic unit converter
• timezone data service
• holiday content farm
• calendar SaaS

Generic unit conversion belongs to UnitToolMage. Generic mathematics belongs to CalcMage. Academic planning belongs to StudyToolMage. Career-specific calculations belong to CareerPathMage.