std::chrono::operator==,<=>(std::chrono::time_zone_link)
From cppreference.com
Compares the two time_zone_link values x and y by name.
The <, <=, >, >=, and != operators are synthesized from operator<=> and operator== respectively.
Return value
1)
x.name() == y.name()2)
x.name() <=> y.name()