Mix garlic, chilies, ginger, oil, soy sauce, vinegar, sugar, fish sauce, and salt in a bowl.
Place chicken in a large Ziploc bag with the thyme and lemons.
Pour in the marinade.
Place marinaded chicken in the fridge overnight.
Take the chicken out of the marinade and let come up to room temp.
Preheat the Big Green Egg to 450° measured at the dome.
Using a raised grid place the chicken skin side up for 15 minutes.
Turn the chicken to skin side down for 7 minutes.
Turn the chicken to skin side up for another 7 minutes or until the chicken measures 165°.
Serve and enjoy!