Sorry but you are wrong, there is a requirement to log departure and arrival time for each flight. lets hope you've been doing that ahy??
click here to see it in writing
http://www.caa.co.uk/docs/33/LASORS2005.PDF
You want to read page 48 of 608.
"Required information
The record shall contain the following information:
1. Personal details:
a. Name and address of the holder;
b. Particulars of each flight during which the holder of the logbook acted as either a member of the flight crew of an aircraft or for the purpose of qualifying for the grant or renewal of a licence under the Air Navigation Order.
2. For each flight:
a. Name of Pilot-in-command.
b. Date (day, month, year) of flight.
c.
Place and time of departure and arrival (times (UTC) to be block time).
d. Type (aeroplane make, model and variant) and registration of aeroplane.
e. SE, ME.
f. Total time of flight.
g. Accumulated total time of flight.
3. Operational conditions:
a. Night
b. IFR
4. Particulars of any test or examination
undertaken whilst in flight.
Better ammend your logbook?
HB