"a second (as measured by an atomic clock) added to or subtracted from Greenwich Mean Time in order to compensate for slowing in the Earth's rotation"@en-us . . "110944219"@en-us . . . . "0"^^ . . . "114374141"@en-us . "leap second"^^ . "115235334"^^ . . "leap second"@en-us . "15235334-n"^^ . . . "0"^^ .