Leo in Thai astrology (ราศีสิงห์)
In the Thai zodiac the Sun crosses Leo (ราศีสิงห์) from about 16 August to 16 September. Here is the sign as tradition describes it: personality, ruling planet, color, gemstone and best matches.
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Your Thai sign
Leo
ราศีสิงห์ (Sing), sidereal sign
Sign 5 of 12 in the Thai zodiac
Two zodiacs, one sky
Preview of Leo. Enter your date of birth for your own calculation.
The gap comes from the precession of the equinoxes. The Earth's axis slowly traces a cone, like a spinning top, so the equinox point slides back against the stars by about 50 arcseconds a year: one degree every 72 years and a full circle in roughly 26,000 years. With the formula used here, the two zodiacs lined up around the year 290; today the gap (the ayanamsa) is over 24°, which pushes every sign change back by about 24 days. That is why Thai signs change around the 13th to 17th of each month rather than the 20th to 23rd.
Your sign at a glance · Leo
Sun · Fire
- Ruling planet (dao chao ruean)
- 1Sun
- Sign color
- red
- Color of the weekday ruled by the planet (Thai day colors).
- Planet gemstone (Nopparat)
- ruby (ทับทิม)
- Gem of the nine jewels tradition linked to the ruling planet.
- Find my stone with the Crystal Finder
- Element
- Fire
- Drive, enthusiasm, love of action.
- Symbol
- The lion
- The month named after it
- August (สิงหาคม)
- August (สิงหาคม): the month takes its name from the sign, but the sign starts around mid-month.
Character according to tradition
The only sign ruled by the Sun, Leo is known as generous, proud and warm. Leos love to shine, protect their own and give their best when they are trusted.
Strengths
Generosity, charisma, loyalty, sense of honor and a gift for bringing people together.
Watch out for
Pride, a need for admiration, difficulty admitting mistakes.
In love
A loyal, expressive lover who loves to please and hopes for sincere admiration in return.
At work
Made to lead, represent or create: management, the stage, events, creative careers.
For your balance
Making time where there is nothing to prove, and a creative hobby just for fun.
Compatibility according to tradition
Pick a sign to read its relationship with Leo. Colors show the type of aspect.
Legend
- Kum · same sign
- Trikon · same element
- Yok · friendly elements
- Leng · face to face
- Chatukon · tension
- Neighbor signs
- Six-eight
Symbolic guides from astrology: a relationship is built first of all on dialogue and respect.
The 12 sign dates this year (2026)
Exact moment the Sun enters each sign, in the chosen time zone, compared with the Western zodiac and the fixed table of Thai almanacs. (Bangkok)
| Sign | Entry (Thai, computed) | Published Thai table | Entry (Western) |
|---|---|---|---|
| Ariesราศีเมษ | 14 Apr, 10:36 | 13 April | 20 Mar, 21:32 |
| Taurusราศีพฤษภ | 15 May, 07:26 | 15 May | 20 Apr, 08:24 |
| Geminiราศีเมถุน | 15 Jun, 14:01 | 15 June | 21 May, 07:23 |
| Cancerราศีกรกฎ | 17 Jul, 00:52 | 15 July | 21 Jun, 15:15 |
| Leoราศีสิงห์Your sign | 17 Aug, 09:16 | 16 August | 23 Jul, 02:08 |
| Virgoราศีกันย์ | 17 Sept, 09:13 | 17 September | 23 Aug, 09:17 |
| Libraราศีตุลย์ | 17 Oct, 21:12 | 17 October | 23 Sept, 07:05 |
| Scorpioราศีพิจิก | 16 Nov, 21:02 | 16 November | 23 Oct, 16:36 |
| Sagittariusราศีธนู | 16 Dec, 11:42 | 16 December | 22 Nov, 14:19 |
| Capricornราศีมังกร | 14 Jan, 16:17 | 15 January | 22 Dec, 03:45 |
| Aquariusราศีกุมภ์ | 13 Feb, 05:16 | 13 February | 20 Jan, 08:35 |
| Piscesราศีมีน | 15 Mar, 02:08 | 15 March | 18 Feb, 22:40 |
Why the two zodiacs drift apart
The Earth's axis wobbles slowly like a spinning top. The starting point of the Western zodiac (the March equinox) therefore slides against the stars, by about one degree every 72 years. Move the year to watch the gap grow and the Sun's entry into Mesha move later in the calendar.
- Gap (ayanamsa)
- Gap between the zodiacs: 24.2°
- Sun enters Mesha
- The Sun enters Mesha on 14 April
The two zodiacs matched around the year 293 (Lahiri formula). A full circle takes about 25,800 years.
Dates use the Gregorian calendar extended into the past; before 1582 people used other calendars, so the drift of Songkran is illustrative.
Based on Thai astrological tradition: these readings are symbolic guides for reflection and fun, and do not predict health, luck or money. For any health concern, please see a professional.
Dates of Leo (ราศีสิงห์)
According to the table used by Thai almanacs, Leo (ราศีสิงห์) runs from 16 August to 16 September. The exact moment shifts a little from year to year: in 2026 the Sun enters it on 17 August 2026 at 09:16, Bangkok time. The Thai month of August (สิงหาคม) is even named after the sign.
Thai Leo and your Western sign
People born in Thai Leo are, in Western astrology, Leo if born before about the 20th of the month and Virgo after that. The gap of almost 24 days comes from the precession of the equinoxes: the Thai zodiac follows the stars, the Western one follows the seasons.
Personality according to tradition
The only sign ruled by the Sun, Leo is known as generous, proud and warm. Leos love to shine, protect their own and give their best when they are trusted. Strengths: Generosity, charisma, loyalty, sense of honor and a gift for bringing people together. Watch out for: Pride, a need for admiration, difficulty admitting mistakes.
Ruling planet, color and gemstone
The ruling planet of Leo is Sun, number 1 in Thai astrology. Its color, the one of the weekday it rules, is red; its gem in the Nopparat is ruby (ทับทิม). Element: Fire.
Love and relationships
A loyal, expressive lover who loves to please and hopes for sincere admiration in return.
Work and talents
Made to lead, represent or create: management, the stage, events, creative careers.
Everyday balance
Making time where there is nothing to prove, and a creative hobby just for fun.
Best matching signs
Signs of the same element (trine): Aries and Sagittarius. Opposite sign, both attractive and demanding: Aquarius.
Based on Thai astrological tradition: these readings are symbolic guides for reflection and fun, and do not predict health, luck or money. For any health concern, please see a professional.
Frequently asked questions
- What are the dates of Leo in Thai astrology?
- According to the published Thai table, from 16 August to 16 September. In 2026 the Sun enters exactly on 17 August 2026 at 09:16 (Bangkok time). If you were born near a boundary, your birth time matters.
- What is the ruling planet of Thai Leo (Rasi Sing)?
- Sun, number 1 in Thai astrology. Its traditional color is red and its Nopparat gem is ruby (ทับทิม).
- Which Western sign matches Thai Leo?
- For the first few days of the period Leo, then for most of it Virgo, because the Thai zodiac is shifted by about 24 days. The calculator gives the exact answer for your date.
- Which signs get along best with Leo in Thai astrology?
- According to tradition, the signs of the same element: Aries and Sagittarius. The opposite sign, Aquarius, attracts but calls for compromise. These are symbolic guides, not certainties.
- What is the personality of Thai Leo (ราศีสิงห์)?
- The only sign ruled by the Sun, Leo is known as generous, proud and warm. Leos love to shine, protect their own and give their best when they are trusted. Generosity, charisma, loyalty, sense of honor and a gift for bringing people together.