On Fri, 15 Feb 2013 10:14:20 +0100
Sönke Ludwig sludwig@rejectedsoftware.com wrote:

There already is vibe.inet.message.toRFC822DateTimeString - I'm not

Ahh, I totally missed that! Looks like a very fast implementation, too.

Technically though (and completely "FWIW"), using "GMT" instead of
"+0000" is considered an obsolete form according to RFC 5322.