Shift Change
Epoch advances every 2 hours. Somebody has to flip the sign.
Punch clock
Twelve shifts a day, every two hours. Whoever calls the shift change pays the gas and keeps the sticker.
12 shifts a dayAnyone may punch
Time left on shift
Current
Available
Period
2 hours
Time left
Advance epoch — call the next shift
Epoch (from current time)
Calling a shift change pays the caller 150 EDOG.