Frequency
q6PM
Every evening at 6 PM
Risk
ISMP lists q6PM, etc. as error-prone: every evening at 6 PM may be mistaken as every 6 hours.
Safer Alternative
Write "daily at 6 PM" or "6 PM daily"
Example
q6PM misread as q6h
Every evening at 6 PM
ISMP lists q6PM, etc. as error-prone: every evening at 6 PM may be mistaken as every 6 hours.
Write "daily at 6 PM" or "6 PM daily"
q6PM misread as q6h