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tilwhen

Counts calendar days, business days and holiday-excluded spans to any date, stating the timezone and counting rule used.

Actively maintained

At a glanceswept Oct 24, 2026

≈ 1visits/mo

Little sign of use · estimate, read Oct 13, 2026

For
People who need to count days to or from a date, such as deadlines, holidays, and invoice due dates.
Activity
Actively maintainedrelease 3 months ago · site updated today
Company
since 2026per their site
Runs as
API
Used for
  • count days remaining until a holiday or event
  • calculate business days for an invoice due date
  • find the gap between two calendar dates
Worth knowingcomputed from what we read · each with its source
The companyeach fact with its source · read Oct 21, 2026
How a program reaches itfound, not claimed · read Oct 21, 2026

MCP server details →

This card as JSON, for your agent →

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.

Alternatives in Productivityby use, among tools still maintained

Figure and bar: visits/mo, estimate · year: online since

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Questions this page answers
  • What is tilwhen?

    Counts calendar days, business days and holiday-excluded spans to any date, stating the timezone and counting rule used. It is listed in the Atlas under Productivity.

  • Who is tilwhen for?

    People who need to count days to or from a date, such as deadlines, holidays, and invoice due dates.

  • Do people use tilwhen?

    Little sign of use: ≈ 1 visits/mo · estimate, 2026-10.

  • Is tilwhen still maintained?

    Actively maintained: release 3 months ago · site updated today.

  • What are alternatives to tilwhen?

    In Productivity, by use: Asana, StructuPath, BeFree, Team0, WorkflowOS, Sync your Google Calendars.

How we read a tool

No votes, no reviews, no vendor claims. Every week a crawler reads each tool's own site and a few public registries, and the words on the card are bands over what it read.

  • Use: visits to the site (estimated), installs from npm and PyPI, presence in Chrome's usage report.
  • Activity: the newest release on GitHub, npm or PyPI; the newest dated page on the site; open roles on a public jobs board.
  • Price: the vendor's own pricing page, read with the date. A figure is printed only when it is on that page.
  • The line and the use cases are written by us from the homepage, one tool at a time, and refused when they repeat the vendor's marketing.

How AI assistants read each site — the reading vendors ask us about — is on each tool's own visibility page.

How we read every tool → · By INITE Atlas Desk