Cinegy chose to move to UTC because it fixed a lot of issues to do with daylight saving, etc. The Date/time of the event is now stored according to ISO 8601 standards in the logs.

Our as-run logs are output in comma-separated values format to allow their use in spreadsheets and other software. If the date field is correctly identified as such, importing the log into spreadsheets gives the correct date value as a number.

By adding a column to that spreadsheet next to the date column, setting the format for that column to an appropriate date/time format, and adding 0.229 (e.g. for India) to the numeric value, the correct UTC date/time will appear. 

This would not be the only solution. The file in comma-separated values format can be written to any location. A competent script programmer can create a script that monitors that location: when a log file arrives the date column can then be manipulated as required.