#!/bin/python3

import os
from datetime import datetime


def time_delta(t1: str, t2: str) -> str:
    fmt = "%a %d %b %Y %H:%M:%S %z"
    dt1 = datetime.strptime(t1, fmt)
    dt2 = datetime.strptime(t2, fmt)
    delta_seconds = abs(int((dt1 - dt2).total_seconds()))
    return str(delta_seconds)

if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    t = int(input())

    for t_itr in range(t):
        t1 = input()

        t2 = input()

        delta = time_delta(t1, t2)

        fptr.write(delta + '\n')

    fptr.close()