I've noticed some rather strange definitions of times (probably from a Time Zone conversion somewhere?) - for example, Afternoon is defined as 9am to 1pm!!! (at least on my version)
Have changed the "Lookup" sheet to the details below to correct this....
| 12:00 AM | 1:00 AM | E | | 12:00 AM | 4:00 AM | | 12:00 AM | 1:00 AM | E |
| 1:00 AM | 5:00 AM | N | | 4:00 AM | 8:00 AM | | 1:00 AM | 5:00 AM | N |
| 5:00 AM | 9:00 AM | M | | 8:00 AM | 12:00 PM | | 5:00 AM | 9:00 AM | M |
| 9:00 AM | 1:00 PM | F | | | | | 9:00 AM | 1:00 PM | F |
| 1:00 PM | 5:00 PM | A | | 12:00 PM | 4:00 PM | | 1:00 PM | 5:00 PM | A |
| 5:00 PM | 9:00 PM | D | | 4:00 PM | 8:00 PM | | 5:00 PM | 9:00 PM | D |
| 9:00 PM | 12:00 AM | E | | 8:00 PM | 12:00 AM | | 9:00 PM | 12:00 AM | E |