This crossword No. 11794 clues and answers were published on Tue 26 Feb 2008 and the puzzle can be visited by following The Guardian Quick Crossword No. 11794 link.
All Across Clues and Answers:
1-across – Morning after tipple : HAIROFTHEDOG
9-across – Pawnbroker – relative : UNCLE
10-across – Big tent : MARQUEE
11-across – Sharp – avid : KEEN
12-across – With no idea : CLUELESS
14-across – Mild exclamation of disapproval : TUTTUT
15-across – Person harmed by another : VICTIM
18-across – Great dancer : NIJINSKY
20-across – Farm building : BARN
22-across – Old timer? : SUNDIAL
23-across – Owing feudal allegiance : LIEGE
24-across – Chocolate-egg-time hat? : EASTERBONNET
All Down Clues and Answers:
2-down – Very old : ANCIENT
3-down – Flightless bird : RHEA
4-down – Grope clumsily : FUMBLE
5-down – Sealed so as to be airtight : HERMETIC
6-down – Two in cards : DEUCE
7-down – Mechanic : GREASEMONKEY
8-down – Try something out : SUCKITANDSEE
13-down – Tollgate of the 16th-19th centuries : TURNPIKE
16-down – High swing : TRAPEZE
17-down – US space station launched in 1973 : SKYLAB
19-down – Two-faced god : JANUS
21-down – Tribe : CLAN
This crossword has in total 24 where 12 are across and 12 are down.