offlinewebtools.com browser-local workbench
Add/Subtract Date & Time
Add or subtract years, months, days, and hours from any date
Shipped
Browser local
Add Time
Tip: Enable "business days only" to automatically skip weekends when adding or subtracting days. Perfect for project deadline calculations!
What this tool does
Add/Subtract Date & Time helps you add or subtract years, months, days, and hours from any date.
What you get
Add/Subtract Date & Time produces a direct output in this page and keeps all processing on your device, with nothing uploaded to our servers.
Jump to helper sections
Report a bug
If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.