[valid]
Date = 1970,01,01,0,0,0
Date = 1998,04,23,14,37,28
Date = 2037,12,31,23,59,59

[valid.not_std]
# these dates are valid but not representable as a std::system_clock::time_point
Date = 1800,01,01,0,0,0
Date = 1969,12,31,23,59,58
Date = 1969,12,31,23,59,59

[valid.64_bit_time_t]
# only valid if 64 bit std::time_t is used
Date = 2038,01,01,0,0,0
Date = 2083,05,20,8,30,9

[invalid]
#Date = 2037,12,32,24,59,59
#Date = 1998,10,31,22,61,0
#Date = 1998,10,31,22,60,60