[time.point.observer]

# 30 Time library [[time]](./#time)

## 30.6 Class template time_point [[time.point]](time.point#observer)

### 30.6.3 Observer [time.point.observer]

[ð](#lib:time_since_epoch,time_point)

`constexpr duration time_since_epoch() const;
`

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/time.tex#L2307)

*Returns*: d_[.](#1.sentence-1)
