Thai lunar calendar

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The Thai lunar calendar or Patitin Chantarakati (Thai: ปฏิทินจันทรคติ) was replaced by the Patitin Suriyakati (ปฎิทินสุริยคติ) Thai solar calendar in AD 1888 2431 BE for most purposes, but the Chantarakati still determines most Buddhist feast or holy days, as well as a day for the famous Loy Krathong festival. These move with respect to the solar calendar, so Thai calendars continue to show Chantarakati dates, as well as Chinese calendar lunar dates. Thai birth certificates also include Chantarakati dates, and the appropriate Animal from the twelve Animals. In practice, many Thais reckon their ages from this sequence of Animals, though the solar calendar determines age at law.

1 Patitin Chantarakati
2 Years
3 Months
- 3.1 Month divisions
4 Days
5 Lunar-Day Names
6 Vocabulary
7 References
8 See also
9 External link

[edit] Patitin Chantarakati

Literally Against-the-Sun Moon-Ways, but properly the Chantarakati Calendar, this is Thailand's version of the lunisolar Buddhist calendar used in the southeast Asian countries of Cambodia, Laos and Myanmar (formerly Burma). Based on the original third-century Surya Siddhanta Hindu calendar, these combine lunar and solar calendars for a nominal year of 12 months. A 'leap' day or 30-day 'leap' month is intercalated [added] at regular intervals; Thai, Lao, and Cambodian versions do not add the leap day to years with the leap month.

[edit] Years

Years in the Patitin Chantarakati may have three lengths—354, 355 or 384 days.

These years are designated by the types of months they contain :

Prokatimas Normal Month(s), alternately 29 and 30 days long ; also, a year of 354 days
Athikawara Leap Day that is added to 29-day Month 7 ; also, a year of 355 days
Athikamas Leap Month that repeats 30-day Month 8 ; also, a year of 384 days.

[edit] Months

Other Buddhist-calendar months have names in Sanskrit or old Burmese, but Thai lunar months number simply from 1 to 12:

Du-an 1 - 12 เดือน ๑ — ๑๒ Month 1-12.

The number 1 and 2 in the names of the first two months are read in archaic language: Du-an 1 is called Du-an Aai and Du-an 2 is called Du-an Yi. The rest follow the modern way to read numbers.

For Athikamas, Du-an 8 repeats as เดือน ๘/๘ — variously read as
- Du-an Bad dap Bad — Month 8 slash 8,
- Du-an Bad Song Khang — Month 8 Side Two, or
- Du-an Bad Song Hon — Month 8 Time Two in the Isan language.

Note: the northern kingdom of Lannathai used month numbers that made Lannathai Month n = Month n − 2 in the central Sukhothai kingdom; and in the Shan kingdom of Keng Tung, Month n − 1.

[edit] Month divisions

Months divide into two periods designated by the names of their characteristic "moons":

Khang Kuen: ข้างขึ้น Waxing Moon ; the period from new moon to full moon; 15 days, always
Khang Raem: ข้างแรม Waning Moon ; the period from full moon to new moon; 15 days in even-numbered months; 14 days in odd-numbered months except when Athikawara adds the leap day to Month 7. Note: when not compounded with other words or syllables:
khang: ข้าง [at, on, or to the] side
kuen: ขึ้น to rise or mount
raem: แรม to tire or retire.

[edit] Days

Days number sequentially from 1 to 14 or 15:

Kuen 1 Kham Du-an 1: ขึ้น ๑ คำ เดือน ๑ Waxing [Moon, Day] 1 Evening, Month 1 ; on to
Raem 15 Kham Du-an 12: แรม ๑๕ คำ เดือน ๑๒ Waning [Moon, Day] 15 Evening, Month 12.
Kham: คำ Evening nowadays is generally taken as the evening of the common day that begins and ends at midnight, rather than of a day that begins and ends at dusk. Past practice may have been different. But see Wan Wy Phra Chan, below.

[edit] Lunar-Day Names

Wan Phra วันพระ Day(s) Holy [to Buddhists] ; also called
- Wan Thamma Sawana วันธรรมสวนะ (วันทำมะสะวะนะ) religious holy day(s) ; Buddhist sabbath(s) ; regularly fall on:
  - Kuen 8 ขึ้น ๘ first-quarter moon
  - Kuen 15 ขึ้น ๑๕ full moon ; also called
    - Wan Phen วันเพ็ญ day [of] full [moon].
  - Raem 8 แรม ๘ third-quarter moon ; and
  - Raem 14 (15) แรม ๑๔ (๑๕) last day of the lunar month ; also called
    - Wan Dab วันดับ day [moon is] quenched, [or goes] out.
Wan Wy Phra Chan วันไหว้พระจันทร์

Day [of] Respect [for] Holy Moon

actual day the Harvest moon becomes full

Kuen 14 (15) Kham Du-an 11 ขึ้น ๑๔ (๑๕) คำ เดือน ๑๐

Waxing 14(15) Evening, Month 11.

[edit] Vocabulary

Thai orthography spells most native words phonetically, though there is no definitive system for transcription into Roman letters. Here, native Thai words are immediately followed by a vocabulary entry in this pattern:

Phonetic Thai (Thai phonetic respelling, if different) [Comment] definition ; variant definitions.

Example:

Tai ไทย (ไท) [Archaic] free, frank ; Thai race, language, alphabet ; citizen of Thailand.

Sanskrit loan words follow different rules [the way English rules vary for Greek and Latin ('ph-' in 'phonetic' being pronounced /f/, for example.)] Entered below in order of first appearance, these vocabulary entries are in this pattern:

Sanskrit สันสกฤต (สันสะกริด /san-sa-krit/)

Perfected speech ; Sanskrit alphabet, language, writing ; [presumed] compound of

san สัน (-/son/) bar, ridge, backbone +
skrit สกฤต (สะกริต /sa-krit/) speech.

Chantarakati จันทรคติ (จันทะระคะติ): Lunar Calendar ; compound of

Chantara- จันทร- (จันทะระ /chontara/) : Chon จันทร์ (จัน) moon, lunar +
Kati คติ (คะติ) : ways, principles ; moral [of a tale].

Patitin ปฎิทิน (ปะติทิน): Calendar ; compound of

Pati- ปฏิ- (ปะดิ-) : anti-, re- +
-tin (-ทิน) : [from tinnagorn ทินกร (ทินะกอน) - poetical for] the sun, Sol
- [possibly in the sense of 'tint' + - gorn -กร – -er, -or : paint-er].

Patitin Chantarakati ปฏิทินจันทรคติ (ปะติทินจันทะระคะติ): "Resolarized Moon-Ways", Lunisolar Calendar
Suriyakati สุริยคติ (สุริยะคะติ): Solar Ways, Solar Calendar ; compound of

Suriya สุริย or สุริยะ : Athit อาทิตย์, the sun, Sol +
Kati คติ (คะติ) : ways, principles ; moral [of a tale].

Prokatimas ปรกติมาส (ปฺรกกะติมาด /pro-ko-ti-maht/): normal month ; compound of

Prokati ปรกติ (ปฺรกกะติ) : pokiti ปกติ (ปะกะติ) ordinary, usual, normal +
Mas มาส (มาด /maht/) : du-an (เดือน) month.

Athikamas อธิกมาส (อะทิกะมาด /a-ti-ka-maht/): month added in leap-month lunar years
Athikawara อธิกวาร (อะทิกะวาน /a-ti-ka-wahn/): day added in leap-day lunar years ; compound of

Athika (Sanskrit: adhika) : additional +
-wara วาร (วาน /wahn/) : wan วัน day.

[Athikasuratin อธิกสุรทิน (อะทิกะสุระทิน)]: [day added to February in a solar leap year.]

[edit] References

A current Thai calendar
Sethaputra, So. New Model English - Thai Dictionary, ISBN 974-08-3253-9
ThaiSoftware Dictionary V 3.0, ThaiSoftware Enterprise Co., Ltd.
J.C. Eade. The calendrical systems of mainland south-east Asia. ISBN 90-04-10437-2