Great work! I've looked for this kind of thing before but found only the usual sea of spam and semi-functional tools. Yours is really good, simple and clear.

Great work! I've looked for this kind of thing before but found only the usual sea of spam and semi-functional tools. Yours is really good, simple and clear. One suggestion I have is maybe show a bit more prominently if the dates end up being different? Could be easy to miss.