It's the UNIX timestamp format, based on UTC.  There are some converters available online. I've used the one at [URL]
Hi , From  Smc    Audit.log date output seems to have a special format.  Is there a way to decipher date ?       201    C:xyz-smc1\smc    SMC    1365433364466    Config Session View    Symmetrix:000290123456    Succeeded    Deactivated from Active Empty group ID - Dissolve Meta 0B6F.    4068472158    other outputs  1365429011624   1365429078127   1365429124835   1365429136459   1365429757943   1365430234360   1365430629895   1365430945927   1365433364466   1365436027895   Regards  Michael
Smc, audit.log, date format