Start date and time:
Duration:
Font size:
Text to display while ongoing:
Show when past:

Acceptable date formats: php.net/strtotime, e.g. 1 Jan 1970 00:00 UTC.
Duration in decimal hours (use a period as decimal separator, e.g. 4.5), or use a space for "days hours" (e.g. 3 7.5 is 3 days and 7.5 hours).