Prime Minister Prayut Chan-o-cha has urged all Thais to wear yellow throughout December to celebrate His Majesty the King's birthday.
Thais should also hold and join activities to celebrate the occasion until the end of the year, he said in his weekly televised address early on Saturday, which was put off from Friday night due to the holiday.
The government has held nine events to celebrate the occasion.
Authorities also developed a mobile app called "Happiness and Contentment as taught by Father", featuring royal speeches.
"I ask that everybody help circulate this application and make use of it, so that all may adhere to His Majesty's teachings in their lives, and bring about sustainable and true happiness."
On his state visits, Gen Prayut said they focused on regional connectivity, trade, investment and tourism and all were successful.
In Laos on Nov 26-27, both sides talked about various linkages - management of border passing tolls, customs, the 5th Thai-Lao bridge linking Bung Kan and Pakxan and the consideration of a 6th bridge to link Ubon Ratchathani with Salavan province.
Another special economic zone will also be developed in Nong Khai in addition to the one in Mukdahan.
In Vietnam on Nov 27, both sides targeted bilateral trade value at US$15 billion by 2017.
"We proposed the opening of coach services between Thailand's Northeast and Vietnam's central region by next year to bolster trade, investment and tourism. Thailand also proposed that its low-cost airlines participate in the launching of new flight routes, as well as seafaring services along the coastline within next year for tourism and transport, he added.
During his trip to Malaysia on Monday, the premier said Thailand would continue with a dialogue for peace in the southern border provinces and the role of Malaysia as a facilitator country and as coordinator between the various groups of differing views to come to the dialogue process.
The Rubber City project — a collaboration between Songkhla Province and Kedah State — will increase the value of rubber products and spur employment. "We are also looking into methods of raising the rubber price."
On domestic issues, Gen Prayut said he would set up one-stop-service centres to expedite approvals for investment-related permits and documents.
Laws will also be amended to streamline work permit application procedures for investors, specifically the section on aliens working in regional operation headquarters. "Previously, no more than five work permits may be issued for each ROH [regional operating headquarter]. The amendment increases this number to 10, with the option of requesting more," he said.
On politics, he talked about the three factors that could transform a country into a failed state — lack of governance, corruption and lack of reform agenda.
"We need to be a crouching tiger getting ready to leap forward. Everyone needs to share the vision of how we can ensure our bright future and what we must do in order not to repeat those mistakes."
He said he was glad people were keen to voice their opinions on reform.
"After having read some of the suggestions, I thought some of them were great.
"Today, I am worried about one thing — conflict. If conflicts continue to drag on, it will be difficult for a true democracy to be restored.
"We are ready to mobilise Thailand and ready to be the hub of Asean. We are ready in all dimensions, but the things holding back are the ongoing conflicts and corruption. We need to make sure all of these problems are eradicated for good."