In this blog post, we will explore handling dates using std::chrono, including time zones. We’ll utilize the latest features of the library to retrieve the current time across various time zones, taking into account daylight saving time changes as well. Additionally, we will incorporate new capabilities introduced in C++23, such as enhanced printing functions and more.

What is the Current Time Around the World? Utilizing std::chrono with Time Zones in C++23

by Bartlomiej Filipek

From the article:

Let’s start with the following code that prints the current date and time:

#include <chrono>
#include <print>

int main() {
    auto now = std::chrono::system_clock::now();
    std::print("now is {}", now);
}

You can run it through Compiler Explorer

In my session, I’m getting the following results:

Now is 2024-11-01 11:44:06.374573703