On Tue 2022-10-04T21:11:51-0700 Paul Eggert via tz hath writ:
This should be fun once we start changing time zones to to be more than 24 hours away from where they are now. Espenak & Meeus 2006[1] predict that this will be around the year 7000. It will be like "Around the World in Eighty Days", but in slow motion and involving the whole planet rather than just Phileas Fogg and Passepartout.
[1] according to RH van Gent's ΔT Calculator <https://webspace.science.uu.nl/~gent0113/deltat/deltat_main.htm>.
Morrison, Stephenson, Hohenkerk, Zawilski Addendum 2020 to 'Measurement of the Earth's rotation: 720 BC to AD 2015' https://royalsocietypublishing.org/doi/abs/10.1098/rspa.2020.0776 their extrapolation (which they will tell you not to believe) also puts Delta T of 24 h a little after year 7000 -- Steve Allen <sla@ucolick.org> WGS-84 (GPS) UCO/Lick Observatory--ISB 260 Natural Sciences II, Room 165 Lat +36.99855 1156 High Street Voice: +1 831 459 3046 Lng -122.06015 Santa Cruz, CA 95064 https://www.ucolick.org/~sla/ Hgt +250 m