import math import os import random import re import sys from datetime import datetime def time_delta(t1, t2): format_ = '%a %d %b %Y %H:%M:%S %z' t1 = datetime.strptime(t1, format_) t2 = datetime.strptime(t2, format_) return str(int(abs((t1-t2).total_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()