2021 nî

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

**2021 nî tī kî-thaⁿ le̍k-hoat**
Kan-chi	Keng-chú nî — kàu — Sin-thiú nî
Tân-kì	4354 nî
Gregorius le̍k	2021 nî MMXXI
Julius le̍k	pí Gregorius le̍k chá 13 kang
Hu̍t-le̍k	2565 nî
Hoê-le̍k	1443~1444
Ji̍t-pún	Lēng-hô (令和) 3 nî
Hông-kì	2681 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

2021 nî tī Gregorius Le̍k-hoat lāi-bīn sī chi̍t ê pêng-nî, thâu kang sī pài-gō͘.

Sū-kiāⁿSiu-kái

4 goe̍h 2 ji̍t, Tâi-thih Taroko-hō 408 chhia-chhù hoat-seng pāi-bé sū-kò͘^[1], 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^[2], tòng-soán Kosovo chóng-thóng^[3].

Tī Wikimedia Commons téng ê siong-koan tóng-àn: 2021 nî

↑ "太魯閣號敗馬意外臺鐵40冬來上嚴重事故" (ēng Tâi-gí). 公視新聞網. 2021-4-2. 2021-4-3 khòaⁿ--ê.
↑ "Kosovo parliament elects Vjosa Osmani as new president" (ēng English). Al Jazeera. 2021-4-4. 2021-4-8 khòaⁿ--ê.
↑ Ivana Sekularac (2021-4-4). "Kosovo parliament elects Vjosa Osmani as new national president = Reuters" (ēng English). 2021-4-8 khòaⁿ--ê. Cite uses deprecated parameter |coauthors= (help)