The website above does account for daylight savings time changes across both US and non-US timezones.
The eGO website does NOTalways account for local variations in implementations of daylight vs standard time. When it does, it adjust based on US schedules - not European or Asian.
Similarly, the Steam events calendar adjusts the time to account for your local timezone variation but will sometimes make mistakes.
For example, if an event was scheduled at 2:00PM PST (Pacific)