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#!/usr/bin/env python3
from datetime import datetime, timedelta

tai_posix_epoch = datetime(1970, 1, 1) + timedelta(seconds=8, microseconds=82)
tai_gps_epoch = datetime(1980, 1, 6) + timedelta(seconds=19)
print(int(round((tai_gps_epoch - tai_posix_epoch) / timedelta(seconds=1))))
Success #stdin #stdout 0.06s 11264KB
stdin
Standard input is empty
stdout
315964811