640 Nièng
| Chiĕng-gī: | 1 chiĕng-gī |
| Sié-gī: | 6 sié-gī | 7 sié-gī | 8 sié-gī |
| Nièng-dâi: | 610 nièng-dâi | 620 nièng-dâi | 630 nièng-dâi | 640 nièng-dâi | 650 nièng-dâi | 660 nièng-dâi | 670 nièng-dâi |
| Nièng: | 635 nièng | 636 nièng | 637 nièng | 638 nièng | 639 nièng | 640 nièng | 641 nièng | 642 nièng | 643 nièng | 644 nièng | 645 nièng |
| Găng-ciĕ | Gī-hâi nièng — gáu — Gĕng-cṳ̄ nièng |
| Gregorius lĭk | 640 nièng DCXL |
| Julius lĭk | bī Gregorius lĭk cā 3 gĕ̤ng |
| Hŭk-lĭk | 1184 nièng |
| Dô̤-gáu-lĭk | 3337 nièng |
| Huòi-lĭk | 19~20 |
| Nĭk-buōng Huòng-gī | 1300 nièng |
| Tàng-gī | 2973 nièng |
| Hĭ-báik-lài-lĭk | 4400~4401 |
| Hindu lĭk | |
| - Vikram Samvat | 695 – 696 |
| - Shaka Samvat | 562 – 563 |
| Iran lĭk | 18 – 19 |
| Runic lĭk | 890 |
| Assyria lĭk | 5390 nièng |
| Ethiopia lĭk | 634~635 |
640 nièng găk Julius Lĭk-huák diē-sié sê siŏh ciáh nông-nièng, tàu gĕ̤ng sê bái-lĕ̤k.
Duâi dâi
Chók-sié
Guó-sié
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