The Northern Hemisphere start spring from (March 19 - 21) until it ends on June 20. It contains the following event: • Around Holy Week start from March 22 until it ends on April 25 • Tomb Sweeping Day (清明) usually fall in April 4. Sometimes in April 5. • Dragon Boat Festival (端午节) It usually fall on 5 May of lunar month.
The Northern Hemisphere start summer from June 20 until it ends on (September 20 - 22). It contains the following event: • Great Heat (大暑) start from June 22 until it ends on (August 21 - 22) • The end of Summer Heat (处暑) start from (August 22 - 23) until it ends on (September 20 - 22)
The Northern Hemisphere start autumn from (September 21 - 23) until it ends on December 21. It contains the following event: • Mid-Autumn Festival usually occurs in (15 August of Lunar Month.)
The Northern Hemisphere start winter on December 21 until it end on (March 18 - 20) It contains the following event: • Merry Christmas • Happy New Year usually occurs 1 January • Lunar New Year (1 January of Lunar Month) • Chinese Lantern Festival (元宵节 Chap Goh Mei - 15 January of Lunar Month) • Ash Wednesday (46 days before Easter)
The date without mentioned specific calendars are using Gregorian Calendar.