Dublin is 6 hours ahead of Dallas. When it's 9:00 AM in Dallas, it's 3:00 PM in Dublin. Both cities observe DST, maintaining the 6-hour difference year-round.
Dallas uses CT (Central Time) while Dublin uses GMT/IST (Irish Standard Time).
Optimal window: 8:00 AM - 12:00 PM Dallas time (2:00 PM - 6:00 PM Dublin). Morning calls from Dallas reach afternoon business hours in Dublin.
Many tech companies have dual operations in Dallas and Dublin's Silicon Docks.