[Talk-GB] Opening hours with only a specified close time?

[David Woolley]

On 12/03/2021 12:40, Jeremy Harris wrote:
> 
> I'd immediately assume   -20:00  as usable.

<https://openingh.openstreetmap.de/evaluation_tool/?EXP=-20:00> disagrees:

"Unexpected token: "-" This means that the syntax is not valid at that 
point or it is currently not supported."

These strings can be and are machine processed, so they have to follow 
specific rules.