✓
isToday() returns true for today
18ms
✓
isYesterday() works correctly
0ms
✓
isTomorrow() works correctly
1ms
✓
isWeekend() detects Saturday/Sunday
0ms
✓
isWeekday() detects weekdays
1ms
✓
isBusinessDay() uses config
0ms
✓
isPast() detects past dates
0ms
✓
isFuture() detects future dates
0ms
✓
isBetween() checks range
1ms
✓
startOf("day") returns midnight
0ms
✓
endOf("day") returns end of day
1ms
✓
add() adds time
0ms
✓
daysUntil() counts days
0ms