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Documentation / @interstellar-tools/constants / TT_MINUS_UTC_AT_J2000_SECONDS

Variable: TT_MINUS_UTC_AT_J2000_SECONDS ​

ts
const TT_MINUS_UTC_AT_J2000_SECONDS: 64.184 = 64.184;

Defined in: date.ts:100

Useful offset at the J2000 epoch (for UTC↔TT conversions near that instant).

  • TT − UTC = 64.184 s at 2000-01-01
  • Provided in both seconds and milliseconds for convenience.

INFO

UTC–TT offset changes when leap seconds are introduced; this constant is specific to the J2000 epoch.