| Function group | Execute on client | Platform(s) |
| Date and time | YES | All |
omnistoiso8601(domnisdatetime,bneedtime[,cerrtext,bmillis=kfalse])
Converts dOmnisDateTime (in UTC) to ISO8601 date/date-time (depends on bNeedTime) and returns it.Returns NULL and cErrText on error.Rounds down hundredths if bMillis is false