03:50, before the early shift starts at a food processing site in Lincolnshire
The production team is arriving before the HR office opens, but check-in still needs to happen at the point of work.
The worker opens WhatsApp and checks in. RevoHR records the time and can verify the worker's position against the site's geofence at the moment of the action.
The worker is not continuously tracked. The shift manager can see attendance through the web platform without waiting for a paper sheet or later manual update.

