A promotion extension occasion.

UNSPECIFIED Not specified.
UNKNOWN Used for return value only. Represents value unknown in this version.
NEW_YEARS New Year's.
CHINESE_NEW_YEAR Chinese New Year.
VALENTINES_DAY Valentine's Day.
EASTER Easter.
MOTHERS_DAY Mother's Day.
FATHERS_DAY Father's Day.
LABOR_DAY Labor Day.
BACK_TO_SCHOOL Back To School.
HALLOWEEN Halloween.
BLACK_FRIDAY Black Friday.
CYBER_MONDAY Cyber Monday.
CHRISTMAS Christmas.
BOXING_DAY Boxing Day.
INDEPENDENCE_DAY Independence Day in any country.
NATIONAL_DAY National Day in any country.
END_OF_SEASON End of any season.
WINTER_SALE Winter Sale.
SUMMER_SALE Summer sale.
FALL_SALE Fall Sale.
SPRING_SALE Spring Sale.
RAMADAN Ramadan.
EID_AL_FITR Eid al-Fitr.
EID_AL_ADHA Eid al-Adha.
SINGLES_DAY Singles Day.
WOMENS_DAY Women's Day.
HOLI Holi.
PARENTS_DAY Parent's Day.
ST_NICHOLAS_DAY St. Nicholas Day.
CARNIVAL Carnival.
EPIPHANY Epiphany, also known as Three Kings' Day.
ROSH_HASHANAH Rosh Hashanah.
PASSOVER Passover.
HANUKKAH Hanukkah.
DIWALI Diwali.
NAVRATRI Navratri.
SONGKRAN Available in Thai: Songkran.
YEAR_END_GIFT Available in Japanese: Year-end Gift.