Thanks to surghikov for the detail and nice tutorial..... :D :D :D :D :D
(http://s1.ipicture.ru/uploads/20120303/Tw38fxWZ.jpg)
In any HEX editor on PC (or in X-plore on your phone), you must edit the file digitalclock.o0000.
To edit on the phone, file path: С:\Private\200159c0\themes\536999050\270513751\537086110\1.0\sources\0\
To edit into the firmware, file path: rofs2:\private\200159c0\install\digitalclock_2003489e\xuikon\00\
To move the digits of clock (hours & minutes) on the vertical, in the strings 850 and 960 replace the value of 31
(http://s2.ipicture.ru/uploads/20120305/QMVlqmHL.png)
To change the font size of hours & minutes, in the strings 7F0 and 910 replace the value 54
(http://s2.ipicture.ru/uploads/20120305/1bPaOtGA.png)
To move the date on the horizontal, in the string A50 replace the value 67
(http://s2.ipicture.ru/uploads/20120305/OeMxaKj3.png)
To move the date on the vertical, in the string A60 replace the value 57
(http://s2.ipicture.ru/uploads/20120305/AUTAm8Vl.png)
To change the font size of date in the string A20 replace the value 32
(http://s2.ipicture.ru/uploads/20120305/UTYVBA2Y.png)