export function calculateNearestHours(currentDate = new Date()) { if (currentDate.getHours() <= 9 || currentDate.getHours() > 21) { return 9 } if (currentDate.getHours() <= 12) { return 12 } if (currentDate.getHours() <= 15) { return 15 } if (currentDate.getHours() <= 18) { return 18 } if (currentDate.getHours() <= 21) { return 21 } }