Date Duration Calculator

Calculate days between dates, deadline offsets, weekly cadence, and simple project spans.

Planning math

Use this toolBrowse related packsRead guides

What it produces

  • Day count
  • Week count
  • Offset date
  • Planning note

Before export

  • Local date math
  • Readable result
  • No calendar login
  • Download note
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Generated 2026-07-04T01:32:05Z from the Free Utility Kit shared tool catalog.