How to convert std::chrono::time_point to std::tm without using time_t?

Question

I would like to print or extract year/month/day values.

I don\'t want to use time_t because of the year 2038 problem, but all examples I found on the In

Answer 1

There's nothing to support calendar dates in the Standard Library apart from the C library functions based on time_t.

Options are, in order of my preference:

• Boost.Date_Time, which you say you'd prefer to avoid
• Some other third-party date/time library (I don't have an recommendations since I'd use Boost)
• Modify an open-source implementation of gmtime()
• Use this algorithm, after checking that it's correct.