To create date and time constants, each unit of date and time has its own code which can only be used in combination with numeric integer constants.
For example, 17n is valid, $REG$n is not valid, but the
expression $REG$*1n is valid.
There are no date and time constant codes for months or years because neither of these
contains a fixed number of days; if you need to add or subtract months from a date, use the
addmonths statement. Weeks are not represented here because they are
superfluous, that is, a week is always seven days ( 7d).
| Code | Meaning | Examples | Value (fraction of 1 day) |
|---|---|---|---|
d
|
Day | 1d 3d |
1 3 |
h
|
Hour | 1h 2h 1d6h |
1/24 1/12 1 & 1/4 |
n
|
Minute | 1n | 1/1,440 |
s
|
Second | 1s 1n2s |
1/86,400 62/86,400 or 31/43,200 |
t
|
Tick | 1t 5t |
1/8,640,000 5/8,640,000 or 1/1,728,000 |
