Learn C++ by Example

4 Time points, duration, and literals

This chapter covers

• Using std::chrono time points and durations
• Using ratios
• Using literal suffixes
• Using the overloaded operator/ to create dates
• Input and output of time points and durations
• Using different time zones

In this chapter, we will make a short program to create a countdown to an event. To do this, we will use time points and durations from the chrono header. This feature was introduced in C++11, and although the essence has remained the same, several useful additions have been made over time. Howard Hinnant is the main author and designer of this feature. In his Meeting C++ talk in 2019, he gave a lot of background to its design (https://www.youtube.com/watch?v=adSAN282YIw). As we use chrono ...