When is testing possible at the earliest?

Arrival day in Cuba:

Arrival time in Cuba: 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 : 00 10 20 30 40 50

Time difference to the country of origin: +6 +7 +8 +9 +10 +11 +12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5