Constant-time

Useful constants to be used in a project, see list below, if you spot a mistake, feel free to open a PR, or submit an issue

{
  MILLISECOND: 0.001,
  MILLISECONDS_PER_SECOND: 1000,
  SECONDS_PER_MINUTE: 60,
  SECONDS_PER_HOUR: 3600,
  SECONDS_PER_DAY: 86400,
  MINUTES_PER_HOUR: 60,
  MINUTES_PER_DAY: 1440,
  HOURS_PER_DAY: 24,
  DAYS_PER_WEEK: 7,
  DAYS_PER_YEAR: 365,
  DAYS_PER_LEAP_YEAR: 366,
  MONTHS_PER_YEAR: 12,
  DAYS_PER_AVERAGE_MONTH: 30,
  MAX_DAYS_PER_MONTH: 31,
  LOWEST_DAYS_PER_MONTH: 28,
  DAYS_PER_LEAP_MONTH: 29,
  MILLISECONDS_PER_MINUTE: 60000,
  MILLISECONDS_PER_DAY: 86400000,
  MILLISECONDS_PER_HOUR: 3600000,
  MILLISECONDS_PER_WEEK: 604800000,
  MILLISECONDS_PER_YEAR: 31556736000,
  MILLISECONDS_PER_NORMAL_YEAR: 31536000000,
  MILLISECONDS_PER_LEAP_YEAR: 31622400000,
  MILLISECONDS_PER_DECADE: 315567360000,
  MILLISECONDS_PER_HALF_YEAR: 15778368000,
  MILLISECONDS_PER_AVERAGE_MONTH: 2629728000
}