2021 Nî: Nî
2021 nî tī Gregorius Le̍k-hoat lāi-bīn sī chi̍t ê pêng-nî, thâu kang sī pài-gō͘.
| chhian-liân-kí: | 3 chhian-liân-kí |
| sè-kí: | 20 sè-kí | 21 sè-kí | 22 sè-kí |
| cha̍p-nî-kí: | 1990 nî-tāi | 2000 nî-tāi | 2010 nî-tāi | 2020 nî-tāi | 2030 nî-tāi | 2040 nî-tāi | 2050 nî-tāi |
| nî: | 2016 nî | 2017 nî | 2018 nî | 2019 nî | 2020 nî | 2021 nî | 2022 nî | 2023 nî | 2024 nî | 2025 nî | 2026 nî |
| Kan-chi | Keng-chú nî — kàu — Sin-thiú nî |
| Gregorius le̍k | 2021 nî MMXXI |
| Julius le̍k | pí Gregorius le̍k chá 13 kang |
| Hu̍t-le̍k | 2565 nî |
| Tō-kàu-le̍k | 4718 nî |
| Hoê-le̍k | 1443~1444 |
| Ji̍t-pún | Lēng-hô (令和) 3 nî |
| Hông-kì | 2681 nî |
| Tân-kì | 4354 nî |
| Bîn-kok | 110 nî |
| Chú-thé-le̍k | 110 nî |
| Hi-pek-lâi-le̍k | 5781~5782 |
| Se-chōng-le̍k | iông thih chhí (lcags pho byi) — kàu — im thih gû (lcags mo glang) |
| Hindu le̍k | |
| - Vikram Samvat | 2076 – 2077 |
| - Shaka Samvat | 1943 – 1944 |
| Iran le̍k | 1399 – 1400 |
| Runic le̍k | 2271 |
| Assyria le̍k | 6771 nî |
| Ethiopia le̍k | 2015~2016 |
| Pò͘-tek-le̍k | 162 nî |
Sū-kiāⁿ
- 4 goe̍h 2 ji̍t, Tâi-thih Taroko-hō 408 chhia-chhù hoat-seng pāi-bé sū-kò͘, chō-sêng 51 lâng sí-bông kap 178 lâng siū-siong.
- 4 goe̍h 4 ji̍t, Vjosa Osmani tī Kosovo gī-hōe tit--tio̍h 71 phiò, tòng-soán Kosovo chóng-thóng.
Bô ji̍t-kî
Kok-ka léng-tō-chiá
Chhut-sì
Kòe-sin
- 1 goe̍h 4 ji̍t: Martinus J. G. Veltman, 1931 nî chhut-sì.
- 4 goe̍h 9 ji̍t: Edinburgh Kong-chiok Philip Chhin-ông, Liân-ha̍p Ông-kok lú-ông Elizabeth 2-sè ê ang-sài, 1921 nî chhut-sì.
- 4 goe̍h 20 ji̍t: Idriss Déby, Chad chóng-thóng, 1952 nî chhut-sì.
- 12 goe̍h 26 ji̍t: Karolos Papoulias, Hi-lia̍p chóng-thóng (2005 – 2015), 1929 nî chhut-sì.
Ji̍t-chì
Chham-khó chu-liāu
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