Here is the Philippine Embassy schedule for the month of April. The Embassy will be closed for six days to observe Thai and Philippine holidays.

Apr 8 (M) – Substitution for Chakri Memorial Day (THA)
Apr 9 (T) – Araw ng Kagitingan (PHL)
Apr 15 (M) – Songkran Festival (THA)
Apr 16 (T) – Substitution for Songkran Festival (THA)
Apr 18 (Th) – Maundy Thursday (PHL)
Apr 19 (F) – Good Friday (PHL)

Source: PHL Embassy