Subtract months from date
ClientReverse calendar month add—handles month-end clamp.
About Subtract months from date
Shift calendar month backward preserving day when possible. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.
How to use this page
Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.
Nearby workflows on Toolcore
- Add months to date — Shift calendar month forward preserving day when possible. when the same instant should appear as epoch, zone, or cron.
- Subtract days from a date — Move backward N calendar days from a start date. when the same instant should appear as epoch, zone, or cron.
- Days in month — Return day count for YYYY-MM. when the same instant should appear as epoch, zone, or cron.
- Unix timestamp converter — Epoch to date: seconds, milliseconds, ISO-8601, UTC and local time—in browser. when the same instant should appear as epoch, zone, or cron.
Common use cases
- Subtract months from date for quick local checks without uploading data.
- Copy results into tickets, docs, or classroom notes.
Common mistakes to avoid
Unexpected input shape
See the intro and how-to notes for accepted formats.
FAQ
Is processing local?
Yes—this runs entirely in your browser.
Agent prefill?
Use q or qb for the main text field when supported.
More tools
Related utilities you can open in another tab—mostly client-side.
Add months to date
ClientShift calendar month forward preserving day when possible.
Subtract days from a date
ClientMove backward N calendar days from a start date.
Days in month
ClientReturn day count for YYYY-MM.
Unix timestamp converter
ClientEpoch to date: seconds, milliseconds, ISO-8601, UTC and local time—in browser.