>>>>>>Works fine for me. Did you test it yoursef?
>>>>>>

>>>>>>set date BRITISH
>>>>>>
>>>>>>dater = "30/04/2015"
>>>>>>
>>>>>>timer = "09:57"
>>>>>>
>>>>>>? CTOT(dater + " " + timer)
>>>>>>

>>>>>>
>>>>>>>set date to british
>>>>>>>
>>>>>>>dater is 30/04/2015
>>>>>>>
>>>>>>>timer holds 09:57
>>>>>
>>>>>It start to work at 10:00 - how do I get round this?
>>>>
>>>>Hah?
>>>
>>>when timer is 00:00 to 09:59 it doesn't create the datatime field
>>
>>I've tested all the values in a loop and everything was OK. Can you show your code and also identify the failing entries?
>>
>>

>>set date BRITISH
>>clear
>>dater = "30/04/2015"
>>
>>FOR k=0 TO 10
>>FOR i=0 TO 59
>>	timer =  PADL(k,2,"0") + ":" + PADL(i,2, '0')
>>	? CTOT(dater + " " + timer)
>>endfor	
>>endfor

>
>replace fstat WITH CTOT(dater+" "+timer) where fstat is a date time field

I have one question:
Why you need 3 fields to keep one data?
Why not use only fstat and get rid of other two?