diff --git a/years/2012/logbook.html b/years/2012/logbook.html
index 9658d55f4..0689aa9d0 100644
--- a/years/2012/logbook.html
+++ b/years/2012/logbook.html
@@ -980,7 +980,7 @@ Had an explore, realised the 1978 survey has the wrong angle for the side passag
 
 <hr />
 
-<div class="tripdate" id="t2012-08-25b"><u>25th August 2012</u></div>
+<div class="tripdate" id="t2012-08-25b"><u>2012-08-25</u></div>
 <div class="trippeople">Olly + <u>Jenny</u></div>
 <div class="triptitle">107 - south of entrance</div>
 
@@ -990,7 +990,7 @@ Had an explore, realised the 1978 survey has the wrong angle for the side passag
 
 <hr />
 
-<div class="tripdate" id="t2012-08-26a"><u>26th August 2012</u></div>
+<div class="tripdate" id="t2012-08-26a"><u>2012-08-26</u></div>
 <div class="trippeople">Olly + <u>Jenny</u></div>
 <div class="triptitle">107 - north of entrance</div>
 
@@ -1000,7 +1000,7 @@ Had an explore, realised the 1978 survey has the wrong angle for the side passag
 
 <hr />
 
-<div class="tripdate" id="t2012-08-27b"><u>27th August 2012</u></div>
+<div class="tripdate" id="t2012-08-27b"><u>2012-08-27</u></div>
 <div class="trippeople">Olly + <u>Jenny</u></div>
 <div class="triptitle">107 - Ropeless</div>
 
@@ -1014,7 +1014,7 @@ Had an explore, realised the 1978 survey has the wrong angle for the side passag
 
 <hr />
 
-<div class="tripdate" id="t2012-08-28b"><u>28th August 2012</u></div>
+<div class="tripdate" id="t2012-08-28b"><u>2012-08-28</u></div>
 <div class="trippeople">Olly + <u>Jenny</u></div>
 <div class="triptitle">148 derig</div>
 
@@ -1024,7 +1024,7 @@ Had an explore, realised the 1978 survey has the wrong angle for the side passag
 
 <hr />
 
-<div class="tripdate" id="t2012-08-29a"><u>29th August 2012</u></div>
+<div class="tripdate" id="t2012-08-29a"><u>2012-08-29/u></div>
 <div class="trippeople">Olly + <u>Jenny</u></div>
 <div class="triptitle">157</div>