Thai Buddhist Era (BE) ⇄ CE converter
BE 2569 = 2026 CE. Enter a year and pick its era, or pick a date to see its BE date, weekday and reign.
Conversion formulas
BE = CE + 543 and CE = BE − 543. Example: 2026 + 543 = BE 2569.
| Era | From CE | From BE | 2026 CE is |
|---|---|---|---|
| BE (Buddhist Era) | CE (Gregorian) + 543 | — | 2569 |
| RS (Rattanakosin Era) | CE (Gregorian) − 1781 | BE (Buddhist Era) − 2324 | 245 |
| CS (Chula Sakarat) | CE (Gregorian) − 638 | BE (Buddhist Era) − 1181 | 1388 |
| MS (Maha Sakarat) | CE (Gregorian) − 78 | BE (Buddhist Era) − 621 | 1948 |
- Rattanakosin Era (ร.ศ.) counts from the founding of Bangkok in 1782 (RS 1) and was the official era from 1889 to 1912. The Paknam incident of RS 112 was in 1893.
- Chula Sakarat (จ.ศ.) appears in chronicles and astrology; its year changes around Songkran (mid-April).
- Maha Sakarat (ม.ศ.) appears in Sukhothai and Ayutthaya inscriptions.
Thai New Year before 1941
From 1889 to 1940 the official Thai year began on April 1; since BE 2484 (1941) it begins on January 1. Old documents dated January–March therefore show a BE number one lower than the modern count. The date converter above flags these cases.
Reigns of the Chakri dynasty
| Reign | Period |
|---|---|
| Rama 1 | April 6, 1782 – September 7, 1809 |
| Rama 2 | September 7, 1809 – July 21, 1824 |
| Rama 3 | July 21, 1824 – April 2, 1851 |
| Rama 4 | April 2, 1851 – October 1, 1868 |
| Rama 5 | October 1, 1868 – October 23, 1910 |
| Rama 6 | October 23, 1910 – November 26, 1925 |
| Rama 7 | November 26, 1925 – March 2, 1935 |
| Rama 8 | March 2, 1935 – June 9, 1946 |
| Rama 9 | June 9, 1946 – October 13, 2016 |
| Rama 10 | October 13, 2016 – present |
BE / CE chart with ages
| BE | CE | Age in 2026 | Zodiac |
|---|---|---|---|
| 2572 | 2029 | — | Rooster (Pi Raka) |
| 2571 | 2028 | — | Monkey (Pi Wok) |
| 2570 | 2027 | — | Goat (Pi Mamae) |
| 2569 | 2026 | 0 | Horse (Pi Mamia) |
| 2568 | 2025 | 1 | Snake (Pi Maseng) |
| 2567 | 2024 | 2 | Dragon (Pi Marong) |
| 2566 | 2023 | 3 | Rabbit (Pi Tho) |
| 2565 | 2022 | 4 | Tiger (Pi Khan) |
| 2564 | 2021 | 5 | Ox (Pi Chalu) |
| 2563 | 2020 | 6 | Rat (Pi Chuat) |
| 2562 | 2019 | 7 | Pig (Pi Kun) |
| 2561 | 2018 | 8 | Dog (Pi Cho) |
| 2560 | 2017 | 9 | Rooster (Pi Raka) |
| 2559 | 2016 | 10 | Monkey (Pi Wok) |
| 2558 | 2015 | 11 | Goat (Pi Mamae) |
| 2557 | 2014 | 12 | Horse (Pi Mamia) |
| 2556 | 2013 | 13 | Snake (Pi Maseng) |
| 2555 | 2012 | 14 | Dragon (Pi Marong) |
| 2554 | 2011 | 15 | Rabbit (Pi Tho) |
| 2553 | 2010 | 16 | Tiger (Pi Khan) |
| 2552 | 2009 | 17 | Ox (Pi Chalu) |
| 2551 | 2008 | 18 | Rat (Pi Chuat) |
| 2550 | 2007 | 19 | Pig (Pi Kun) |
| 2549 | 2006 | 20 | Dog (Pi Cho) |
Show all (110)
| BE | CE | Age in 2026 | Zodiac |
|---|---|---|---|
| 2548 | 2005 | 21 | Rooster (Pi Raka) |
| 2547 | 2004 | 22 | Monkey (Pi Wok) |
| 2546 | 2003 | 23 | Goat (Pi Mamae) |
| 2545 | 2002 | 24 | Horse (Pi Mamia) |
| 2544 | 2001 | 25 | Snake (Pi Maseng) |
| 2543 | 2000 | 26 | Dragon (Pi Marong) |
| 2542 | 1999 | 27 | Rabbit (Pi Tho) |
| 2541 | 1998 | 28 | Tiger (Pi Khan) |
| 2540 | 1997 | 29 | Ox (Pi Chalu) |
| 2539 | 1996 | 30 | Rat (Pi Chuat) |
| 2538 | 1995 | 31 | Pig (Pi Kun) |
| 2537 | 1994 | 32 | Dog (Pi Cho) |
| 2536 | 1993 | 33 | Rooster (Pi Raka) |
| 2535 | 1992 | 34 | Monkey (Pi Wok) |
| 2534 | 1991 | 35 | Goat (Pi Mamae) |
| 2533 | 1990 | 36 | Horse (Pi Mamia) |
| 2532 | 1989 | 37 | Snake (Pi Maseng) |
| 2531 | 1988 | 38 | Dragon (Pi Marong) |
| 2530 | 1987 | 39 | Rabbit (Pi Tho) |
| 2529 | 1986 | 40 | Tiger (Pi Khan) |
| 2528 | 1985 | 41 | Ox (Pi Chalu) |
| 2527 | 1984 | 42 | Rat (Pi Chuat) |
| 2526 | 1983 | 43 | Pig (Pi Kun) |
| 2525 | 1982 | 44 | Dog (Pi Cho) |
| 2524 | 1981 | 45 | Rooster (Pi Raka) |
| 2523 | 1980 | 46 | Monkey (Pi Wok) |
| 2522 | 1979 | 47 | Goat (Pi Mamae) |
| 2521 | 1978 | 48 | Horse (Pi Mamia) |
| 2520 | 1977 | 49 | Snake (Pi Maseng) |
| 2519 | 1976 | 50 | Dragon (Pi Marong) |
| 2518 | 1975 | 51 | Rabbit (Pi Tho) |
| 2517 | 1974 | 52 | Tiger (Pi Khan) |
| 2516 | 1973 | 53 | Ox (Pi Chalu) |
| 2515 | 1972 | 54 | Rat (Pi Chuat) |
| 2514 | 1971 | 55 | Pig (Pi Kun) |
| 2513 | 1970 | 56 | Dog (Pi Cho) |
| 2512 | 1969 | 57 | Rooster (Pi Raka) |
| 2511 | 1968 | 58 | Monkey (Pi Wok) |
| 2510 | 1967 | 59 | Goat (Pi Mamae) |
| 2509 | 1966 | 60 | Horse (Pi Mamia) |
| 2508 | 1965 | 61 | Snake (Pi Maseng) |
| 2507 | 1964 | 62 | Dragon (Pi Marong) |
| 2506 | 1963 | 63 | Rabbit (Pi Tho) |
| 2505 | 1962 | 64 | Tiger (Pi Khan) |
| 2504 | 1961 | 65 | Ox (Pi Chalu) |
| 2503 | 1960 | 66 | Rat (Pi Chuat) |
| 2502 | 1959 | 67 | Pig (Pi Kun) |
| 2501 | 1958 | 68 | Dog (Pi Cho) |
| 2500 | 1957 | 69 | Rooster (Pi Raka) |
| 2499 | 1956 | 70 | Monkey (Pi Wok) |
| 2498 | 1955 | 71 | Goat (Pi Mamae) |
| 2497 | 1954 | 72 | Horse (Pi Mamia) |
| 2496 | 1953 | 73 | Snake (Pi Maseng) |
| 2495 | 1952 | 74 | Dragon (Pi Marong) |
| 2494 | 1951 | 75 | Rabbit (Pi Tho) |
| 2493 | 1950 | 76 | Tiger (Pi Khan) |
| 2492 | 1949 | 77 | Ox (Pi Chalu) |
| 2491 | 1948 | 78 | Rat (Pi Chuat) |
| 2490 | 1947 | 79 | Pig (Pi Kun) |
| 2489 | 1946 | 80 | Dog (Pi Cho) |
| 2488 | 1945 | 81 | Rooster (Pi Raka) |
| 2487 | 1944 | 82 | Monkey (Pi Wok) |
| 2486 | 1943 | 83 | Goat (Pi Mamae) |
| 2485 | 1942 | 84 | Horse (Pi Mamia) |
| 2484 | 1941 | 85 | Snake (Pi Maseng) |
| 2483 | 1940 | 86 | Dragon (Pi Marong) |
| 2482 | 1939 | 87 | Rabbit (Pi Tho) |
| 2481 | 1938 | 88 | Tiger (Pi Khan) |
| 2480 | 1937 | 89 | Ox (Pi Chalu) |
| 2479 | 1936 | 90 | Rat (Pi Chuat) |
| 2478 | 1935 | 91 | Pig (Pi Kun) |
| 2477 | 1934 | 92 | Dog (Pi Cho) |
| 2476 | 1933 | 93 | Rooster (Pi Raka) |
| 2475 | 1932 | 94 | Monkey (Pi Wok) |
| 2474 | 1931 | 95 | Goat (Pi Mamae) |
| 2473 | 1930 | 96 | Horse (Pi Mamia) |
| 2472 | 1929 | 97 | Snake (Pi Maseng) |
| 2471 | 1928 | 98 | Dragon (Pi Marong) |
| 2470 | 1927 | 99 | Rabbit (Pi Tho) |
| 2469 | 1926 | 100 | Tiger (Pi Khan) |
| 2468 | 1925 | 101 | Ox (Pi Chalu) |
| 2467 | 1924 | 102 | Rat (Pi Chuat) |
| 2466 | 1923 | 103 | Pig (Pi Kun) |
| 2465 | 1922 | 104 | Dog (Pi Cho) |
| 2464 | 1921 | 105 | Rooster (Pi Raka) |
| 2463 | 1920 | 106 | Monkey (Pi Wok) |
FAQ
What year is BE 2569?
BE 2569 is 2026 CE (2569 − 543 = 2026).
How do I convert a Thai year to a Western year?
Subtract 543 from the Buddhist Era year: BE 2530 − 543 = 1987. To go the other way, add 543.
Why is the Thai year different?
Thailand counts years from the Buddha’s passing (Buddhist Era). The Gregorian calendar is used for months and days, so only the year number differs.
What is the Rattanakosin Era (RS)?
An era starting with the founding of Bangkok in 1782 (RS 1). Add 1781 to get the CE year: RS 112 + 1781 = 1893.
How do I show BE dates in Excel?
For a year number use =A1-543. For a real date, a custom format like [$-th-TH]d mmm bbbb displays it in the Buddhist Era.