ATTENTION: Thai Consulate Closures October.
Lao
Vientiane & Savannakhet; Monday 15th, Tuesday 23rd, Wednesday 24th, Thursday 25th
Malaysia
Kuala Lumpur & Penang: Monday 15th
Kota Bharu; Sunday 14th, Tuesday 23rd
Myanmar
Yangon: Monday 15th, Tuesday 23rd
Vietnam
Hanoi & Ho Chi Minh; Monday 15th, Tuesday 23rd
Cambodia
Phnom Penh; Monday 8th, Tuesday 9th, Wednesday 10th, Monday 15th, Tuesday 23rd
Singapore; Monday 15th, Tuesday 23rd
Hong Kong; Monday 1st, Wednesday 17th
ALL Immigration offices in the country will be closed on Monday the 15th & Tuesday the 23rd
*Land border crossings are open normal hours*
Sorry the list came out late...
TLDR : Answer Summary
This post details the closure dates of Thai consulates in various locations (Lao, Malaysia, Myanmar, Vietnam, Cambodia, Singapore, Hong Kong) during October 2018, specifically on the 15th and 23rd. It also mentions that all immigration offices in Thailand will be closed on these dates but land border crossings will remain open. The comments provide additional context regarding the impact of these closures on visa runs and experiences at the consulates.