A year is how long?

1 YEAR; 4 SEASONS; 12 MONTHS; 52 WEEKS; 365 DAYS; 8,760 HOURS; 525,600 MINUTES; 31,536,000 SECONDS; 315,360,000 DECISECONDS; 3,153,600,000 CENTISECONDS; 31,536,000,000 MILLISECONDS; 31,536,000,000,000 MICROSECONDS; 31,536,000,000,000,000 NANOSECODS; 31,536,000,000,000,000,000 PICOSECONDS; 31,536,000,000,000,000,000,000 FEMTOSECONDS; 31,536,000,000,000,000,000,000,000 ATTOSECONDS; 31,536,000,000,000,000,000,000,000,000 ZEPTOSECONDS; 31,536,000,000,000,000,000,000,000,000,000 YOCTOSECONDS