convert data to time

[murdoncio]

hi everyone,

i´ve been traying to convert the data into a time series (using @mydate ..... the time is as show as below (hhmi),

Somebody can give me a little help please!!!!

TIME CLOSE CHANGE
335 927.25 0.00
446 926.75 -0.50
709 926.25 -0.50
710 926.00 -0.25
711 926.00 0.00
712 925.50 -0.50
721 925.50 0.00
722 925.75 0.25
723 925.00 -0.75
726 924.50 -0.50
732 924.00 -0.50
733 924.25 0.25
734 923.50 -0.75

Best Regards
Alvaro