Method now

libraries/timing/timing.h:43–43

public:
  seconds()                       { set(0); }
  uint32_t now()                  { return millis() / 1000UL - _offset; }
  void set(uint32_t value = 0UL)  { _offset = millis() / 1000UL - value; }
  uint32_t getOffset()            { return _offset; };