Anyone can suggest how do I modify the hobbitgraph.c file to add timezone along with time?

Here is the excerpt from hobbitgraph.c

#ifdef RRDTOOL12 strftime(timestamp, sizeof(timestamp), "COMMENT:Updated\\: %d-%b-%Y %H\\:%M\\:%S", localtime(&now)); #else strftime(timestamp, sizeof(timestamp), "COMMENT:Updated: %d-%b-%Y %H:%M:%S", localtime(&now)); #endif rrdargs[argi++] = strdup(timestamp);

I want it to report like this in the graph

Updated: 12-Apr-2010 05:42:03 EST for example.

Currently it does not show the timezone.

I am assuming modifying the C file and recompile is the only way to achieve this.

Thanks

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