Just to add to the confusion and as an addendum to Backpackers' comment I attach an extract from a Singapore NOTAM. Singapore is One degree above the Equator and 104 Degree East of Greenwich. You can work out the rest yourself.
A1043/09 - ONE RIG, HGT 150M AMSL, BERTHED AT 0126.48N 10400.35E (BEARING 011 DEGREES, DISTANCE 9264M FROM WSSS ARP). RIG MARKED AND LIGHTED. 03 JUL 00:41 2009 UNTIL 30 SEP 23:59 2009. CREATED: 03 JUL 00:58 2009