import os
from datetime import datetime as dt
def time_delta(t1, t2):
    fmt = "%a %d %b %Y %H:%M:%S %z"
    deltaSeconds = abs((dt.strptime(t1, fmt)- dt.strptime(t2, fmt)).total_seconds())
    return str(int(deltaSeconds))
if __name__ == '__main__':
    with open(os.environ['OUTPUT_PATH'], 'w') as fptr:
        for t_itr in range(int(input())):
            t1 = input()
            t2 = input()
            fptr.write(time_delta(t1, t2) + '\n')