An annual meeting of the qualified voters of such library district shall be held on the first Tuesday in March of each year at 2 o’clock p.m. At the first annual meeting a majority of the qualified voters present may determine whether the subsequent annual meetings shall convene at 2 o’clock p.m. or at 7:30 o’clock p.m. Thereafter, said annual meeting shall convene at the time so determined, unless at a subsequent annual meeting a majority of the qualified voters present determine that the annual meeting shall convene at such later or earlier time, as the case may be.