Holiday Adder

This can be used to add global holidays to Google Calendar.

guests.csv

One e-mail per line. No delimiters. These guests are added to each event.

credentials.json

This is from the Google Cloud Console. Example with details removed:

{
  "web": {
    "client_id": "",
    "project_id": "",
    "auth_uri": "",
    "token_uri": "",
    "auth_provider_x509_cert_url": "",
    "client_secret": ""
  }
}