Sorry for the extraordinarily long-winded email the first time around.
The attached patch seems to fix the problem:
d...@kili:~/tr/scheme$ export TZ=EST5EDT
d...@kili:~/tr/scheme$ csi -q t.scm
#,(date 39200 9 4 2 13 9 2009 -14400 EDT #t #f #f #f)
Sun Sep 13 02:04:09-0400 2009
d...@kili:~/tr/sc
Hi Kon!
Under OpenBSD, I'm required to set the TZ environment variable:
d...@kili:~/tr/scheme$ csi
CHICKEN
(c)2008-2009 The Chicken Team
(c)2000-2007 Felix L. Winkelmann
Version 4.1.7
openbsd-unix-gnu-x86-64 [ 64bit manyargs dload ptables applyhook ]
compiled 2009-09-02 on kili.jsbsystems.com (O