"Single"

"An active date" "2024-01-15" "and an inactive one" "2024-01-15" "."

"With a time:" "2024-01-15 10:30" "."

"Ranges"

"A same-day time range" "2024-01-15 10:00" "–" "11:45" "."

"A multi-day range" "2024-01-15" "–" "2024-01-20" "."

"Ignored decorations"

"A repeater is dropped:" "2024-01-15" "."

"Not timestamps"

"Comparisons like 3 < 4 and [not a stamp] stay literal text."