FYI. (Updated 28 Jan - covered popular embassies and consulates)
Official Holidays 2020 announcements.
Some of original image files are ridiculously huge, all resized/converted images are attached.
* Vientiane, Laos
[members only]
* Savannakhet, Laos
[[members only])
* KL, Malaysia (jpg)
[members only]
* Kota Bharu, Malaysia (jpg) [members only]/
* Penang, Malaysia (jpg)
[[members only])
* Phnom Penh, Cambodia (pdf)
[members only]
* Yangon, Myanmar (pdf, second page)
[members only]
* HCMC, Vietnam
[[members only])
* Hanoi, Vietnam (second image)
[members only]
* Singapore [members only]
* HongKong (pdf)
[[members only])
* Manila, Ph
[[members only])
TLDR : Answer Summary
The content provides links to official announcements regarding the public holidays observed by various Thai embassies and consulates in 2020 across several countries, including Laos, Malaysia, Cambodia, Myanmar, Vietnam, Singapore, Hong Kong, and the Philippines. It includes information on the updated holiday schedules and image resources for easy access.