4 ms·Yes, but they probably mean "the next 72 hours from right now given in UTC".by buescher 2y agoYes, but they probably mean "the next 72 hours from right now given in UTC".chgs 2y agoWhich would be the same as the next 72 hours in PSTGare 2y agoOr maybe they mean "day" as starting from UTC midnight.sevensor 2y agoMaybe they’re contrasting with sidereal days?chgs 2y agoThat was my initial thought, but that’s a difference of 10 mins over 3 days, and that’s orders of magnitudes more precise than should be used.buescher 2y agoI'd guess that's actually more likely. Interesting bit of jargon.