Set an end date for multi-day things (trips, festivals) โ it'll fill every day on the calendar.
Snap/upload a photo of a boarding pass or ticket, or paste a check-in link / confirmation code (it becomes a scannable QR).
Get a heads-up 24 hours and 30 minutes before things you're on. On iPhone: add EpicOps to your Home Screen first, then open it from there โ Safari can't do notifications on its own.
Paste a secret iCal link so real Google/Outlook/Apple events show here (read-only). In Google Calendar on a computer: your calendar โ โฎ โ Settings and sharing โ Secret address in iCal format โ copy the โฆ/basic.ics link. You can add several calendars per person โ connect one link at a time (e.g. Albert's work + personal).