# tilwhen (tilwhen.com)

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

- Atlas card: https://inite.ai/en/atlas/tilwhen.com
- Site: https://tilwhen.com
- For: People who need to count days to or from a date, such as deadlines, holidays, and invoice due dates.
- Categories: productivity
- Use 0/100 · alive 82/100

## 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

## Price

Not read yet.

## For developers

- OpenAPI: https://tilwhen.com/openapi.json (11 paths)
- API docs: https://tilwhen.com/api
- MCP server: com.tilwhen/tilwhen (namespace; open on 2026-10-21, 9 tools)
- Read 2026-10-21

## MCP server, measured daily

Server: https://mcp.tilwhen.com/mcp, checked every day since 2026-10-21 (4 checks).

- Answered: measuring, 4 daily checks so far
- Median first answer: 215 ms
- Sign-in: none
- Context its tool definitions take: about 2711 tokens (9 tools)
- Tool definitions: A, 100/100
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-21

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Source: INITE Atlas, https://inite.ai/en/atlas/tilwhen.com. JSON: https://inite.ai/api/atlas/tilwhen.com. MCP: https://inite.ai/api/mcp (atlas_lookup).