We’ve just discovered that Custom Values currently only support the 12-hour (AM/PM) clock and the US date format!
When sending appointment confirmations and reminders, it’s essential that time and date information is presented in a format the recipient actually understands. Unfortunately, this small limitation makes GHL close to unsuitable for our European clients, where the 24-hour clock and day-month-year (DD.MM.YYYY) format are standard. We really hope this can be prioritized!