Info on Time Zone files

Hi, I am using timzone files availabe in your site in our product and would like to know the frequency of when these files get updated. Is there any mailing list which I can subscribe to so that I can get a mail whenvere there are changes to timezone files. Thanks in advance, Reema. _________________________________________________________________ NRIs, paying for Money Transfers to India? Use Money2India. It’s FREE http://creative.mediaturf.net/creatives/msn_product.htm