| Code | Description | Version |
| A | Ante (before) | added v2.4 |
| BID | twice a day at institution-specified times | added v2.4 |
| C | service is provided continuously between start time and stop time | added v2.4 |
| D | Cibus Diurnus (lunch) | added v2.4 |
| I | Inter | added v2.4 |
| M | Cibus Matutinus (breakfast) | added v2.4 |
| Meal Related Timings | <timing>C ("cum")<meal> | added v2.8.2 |
| Once | one time only. | added v2.4 |
| P | Post (after) | added v2.4 |
| PRN | given as needed | added v2.4 |
| PRNxxx | where xxx is some frequency code | added v2.4 |
| Q<integer>D | every <integer> days | added v2.4 |
| Q<integer>H | every <integer> hours | added v2.4 |
| Q<integer>J<day#> | repeats on a particular day of the week, | added v2.4 |
| Q<integer>L | every <integer> months (Lunar cycle) | added v2.4 |
| Q<integer>M | every <integer> minutes | added v2.4 |
| Q<integer>S | every <integer> seconds | added v2.4 |
| Q<integer>W | every <integer> weeks | added v2.4 |
| QAM | in the morning at institution-specified time | added v2.4 |
| QHS | every day before the hour of sleep | added v2.4 |
| QID | four times a day at institution-specified times | added v2.4 |
| QOD | every other day | added v2.4 |
| QPM | in the evening at institution-specified time | added v2.4 |
| QSHIFT | during each of three eight-hour shifts at institution-specified times | added v2.4 |
| TID | three times a day at institution-specified times | added v2.4 |
| U <spec> | for future use, where <spec> is an interval specification as defined by the UNIX cron specification. | added v2.4 |
| V | Cibus Vespertinus (dinner) | added v2.4 |
| xID | "X" times per day at institution-specified times, where X is a numeral 5 or greater. | added v2.4 |