Bangkok is one of the most visited places in Thailand and also a place of significant festivities. Here is a list of the most popular festivals in Bangkok that will take you closer to its culture.
1. Songkran Festival
Songkran is the festival to celebrate the Thai New Year between April 13th to 15th by splashing water at each other including family gatherings, offering prayers at temples and visiting the elderly. Locals roam on the streets forming crowds and throw water using pistols and buckets filled with water. In Buddhist temples, water is thrown on the Buddha image as well as monks to show respect. Tourist will gain a unique experience participating in this festival. The most popular spots are Khao San Road and Silom Road in Bangkok. However, the authorities are also asking the general public to follow basic COVID-preventive measures at all times, such as wearing masks, self-testing (with an ATK test) and social distancing.
2. Loy Krathong Festival
Every year, Loy Krathong falls on the night of the 12TH lunar month (usually in November). This festival is celebrated as the Festival of Lights all over Thailand. Krathong in Thai means banana trunk decorated with flowers, incense, leaves, and candles. Loy in the Thai language means to float. These Krathongs are floated to show respect to rivers as the Goddess since agriculture is the main occupation in Thailand. Thai people also ask the Goddess for forgiveness and wash away misfortune in the coming year.
Many places host a string of cultural activities such as Ram Wong dance performances, krathong making competitions.
Tourist could celebrate Loy Krathong festival at many places in Bangkok near the river or canal such as under Rama 8 bridge area (Thonburi side), Asiatique, Ong Ang Canal, Wat Saket, Wat Arun, Wat Pho

Festivals & Events in Delhi
Delhi Celebrates man festivals and organizes several events and fairs. Despite the seasonal changes, the capital city remains busy, lively and colourful with the happenings held in the city. The city offers so much to its visitors and locals according to the seasons, culture, and religion. Delhi is known for organizing various international festivals and fairs to promote tourism, which attracts a large number of tourists every year. The popular events and festivals in Delhi throughout the year are listed below.

Festivals
Republic Day
Makar Sakranti
Lohri
Holi
EID
Diwali
Guru Nanak B'day
Christmas

EVENTS
Garden Festival at Garden of Five Senses
Book Fair
Mango Festival at Dilli Haat
Phoolwalon-ki-Sair
International Trade Fair
Dilli ki Diwali
Ganesh Chaturthi

Jakarnaval
Jakarnaval is a series of events in the framework of the Anniversary of Jakarta City held by the DKI Jakarta Provincial Government (Pemprov) through the Jakarta City Government Tourism and Creative Economy office Province of DKI Jakarta. The concept of the event in Jakarnaval was a cultural parade and a convoy of ornamental vehicles which will be held around DKI City Hall. The Jakarnaval parade includes cultural parades and ornamental vehicles. All the participants and parades are Jakarta residents, students, art workers, and many more. In 2019, the Jakarnaval festival was enlivened by 4 Betawi dances, including:
1. Nindak Jakarta Dance
2. Koneng Fan Fan Kepak Dance
3. Lenggang Putri Dance
4. Lenggak Lenggok Dance in Jakarta

Jakarta Tourism Website
https://www.jakarta-tourism.go.id/news/2019/06/jakarnaval-2019-peak-of-the-492th-anniversary-of-the-city-of-jakarta

https://www.jakarta-tourism.go.id/news/2018/05/jakarnaval-akan-jadi-pawai-budaya-negara-peserta-asian-games

KL Car-Free Morning
KL Car-Free Morning is a green initiative to promote a healthy lifestyle among both locals and tourists in Kuala Lumpur through recreational sports, arts and cultural activities. Aligned with Malaysia’s commitment to reduce carbon emissions – as part of a global drive to protect the environment and support the ideals of the Paris Agreement and UN Sustainable Development Goals of 2015 – KL Car-Free Morning also strives to encourage healthy living, sustain eco-friendliness, and strengthen national unity and family bonding.

The event is held every Sunday of the month from 7am to 9am. It features closed roads for people of all walks of life to cycle, handcycle, run, skateboard, roller-skate, rollerblade or simply walk. It starts from Dataran DBKL (near Dataran Merdeka) and leads participants through about 7and 5 kilometres of major streets in Kuala Lumpur’s Golden Triangle.

https://klcarfreemorning.my/

[Banpodaegyo Bridge Moonlight Rainbow Fountain Event]

One of the most popular spots for a night view where you can see the fountain show that spouts colorful water in rhythm to the music. Listed in the Guinness Book of Records as the longest bridge fountain in the world, the combined length of both sides is longer than 1 kilometer, and 190 tons of water per minute is poured into the Hangang River, creating a fantastic view with the landscape and lighting.

All sorts of events and festivals take place in Taipei throughout the year. Just to name some of the most celebrated ones, the traditionally festive Taipei Lantern Festival, the picturesque Yangmingshan Flower Festival, the vibrant Taipei Riverside Festival, and the exhilarating New Year's Eve Countdown Party, all of which are great opportunities for you to engage in the floral, sports, art and cultural features Taipei has to offer!
The largest lantern festival in Taiwan will be held in Taipei again after 23 years in 2023, merging traditional, modern, and future, including culture, industrial, and technology which will display the multiple cultures of Taipei and light up Taipei.

Feel the festival atmosphere in Tokyo every season.
You can soak up the festival atmosphere every season in Tokyo.
In Japan, there are many festivals to celebrate each of the four seasons.

Spring

In Tokyo, you can enjoy beautiful cherry blossoms along with the urban landscape. Please enjoy the festivities, as some places hold festivals during the cherry blossom season.
▼For more details on cherry blossom sites in Tokyo
https://www.gotokyo.org/en/story/guide/hanami-guide/index.html

Summer

Why not enjoy the fireworks lighting up the Tokyo night sky? You can check the schedule of fireworks festivals, which is a seasonal tradition in summer in Japan.
https://www.gotokyo.org/en/story/guide/fireworks-guide/index.html

Autumn

In autumn, Tokyo is bejeweled by the stunning colors of yellow and red.
The dazzling colors of gold and vermilion in the park along with the beautiful illumination reflected on the pond will be etched on your memory forever.

Winter

In Japan, many people visit temples and shrines at the beginning of the new year.
At the beginning of the new year, the shrine bustles with many people who pray to the gods for health and prosperity.