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Bytes Lang Time Link
001HTML250627T121628ZThe Empt
024Google Sheets250626T224842Zdoubleun
018Dyalog APL250627T060738ZAdá

HTML, 1 Byte

0

His term already expired on January 20th, 2021.

Google Sheets, 24 bytes

=(47169.5-now())*"864e5"

Assumes that the spreadsheet's timezone is Eastern Time.

864e5 could be used without quotes as well, but the formula editor automatically saves it as 86400000 so no bytes can be saved that way. Strings such as "864e5" don't get expanded when saved but get coerced to numbers when evaluated in an arithmetic context.

Strings such as "20Feb29 12:00" get coerced as well, but the shortest way to express that moment seems to be to use a dateserial.

Dyalog APL, 18 bytes

Always uses Eastern Time.

-/11⎕DT 47168.5'Q'

Try APL!

-/ the difference between

11⎕DT the converted-to-ms-since-beginning-of-2024

47168.5 next inauguration date; 2029-02-20T12:00

'Q' and current Quebec time, i.e. EST