At noon on 22 April, Yudo Margono stated that the oxygen reserves on Nanggala would be sufficient for the entire crew and passengers for three days after it had submerged. According to Yudo, the oxygen would run out on Saturday, 24 April, at 03:00 WIB (20:00 UTC, 23 April).[37] Indonesian president Joko Widodo stated that the safety of the crew of Nanggala is of top priority; he also invited everyone to pray for the crew's safety.[38]