How do you check that you need an easier way?
you do an FQ for a random date and then check the seasons
I did June 13:
FOR TRAVEL ON/BEFORE 27MAR15
PERMITTED 10JUN14 THROUGH 14JUN14 OR 19AUG14 THROUGH
03OCT14 OR 09OCT14 THROUGH 23OCT14 ON THE FIRST
INTERNATIONAL SECTOR. SEASON IS BASED ON DATE OF
ORIGIN.
FOR TRAVEL ON/AFTER 28MAR15
PERMITTED 03APR THROUGH 14JUN OR 19AUG THROUGH 22SEP
OR 27SEP THROUGH 10OCT ON THE FIRST INTERNATIONAL
SECTOR. SEASON IS BASED ON DATE OF ORIGIN. ‡