Days Between Dates
Days Between Dates is a free online Date & Time Tools tool that count days (and weeks/months) between two calendar dates instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
Description
Count days (and weeks/months) between two calendar dates.
- Because everything is computed client-side, Days Between Dates is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using Days Between Dates takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Examples
These ready-made examples show typical inputs and the exact output Days Between Dates produces for them.
2026-01-01
To 2026-12-31.
Use cases
Common situations where Days Between Dates helps:
- Count days (and weeks/months) between two calendar dates.
- Because everything is computed client-side, Days Between Dates is safe to use with sensitive data such as API keys, tokens or private logs.
FAQ
What is Days Between Dates?
Days Between Dates count days (and weeks/months) between two calendar dates. It runs entirely in your browser, so your data stays private.
Is Days Between Dates free to use?
Yes. Days Between Dates is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.