637 AH

Islamic calendar year

Intangible hijri_year Q6057015

Facts

8 properties

Instance of: Hijri year
Follows: 636 AH^[2]
Followed by: 638 AH^[3]
Part of: Islamic calendar^[4]
End time: July 22, 1240^[18]
Has part(s): Muharram 637 AH, Safar 637 AH, Rabi' al-Awwal 637 AH, Rabi' al-Thani 637 AH, Jumādā al-ʾŪlā 637 AH, Jumada al-Thani 637 AH, Rajab 637 AH, Sha'ban 637 AH, Ramadan 637 AH, Shawwal 637 AH, Dhu al-Qi'dah 637 AH, Dhu al-Hijjah 637 AH^[5]^[6]^[7]^[8]^[9]^[10]^[11]^[12]^[13]^[14]^[15]^[16]
Imported from: wholeness_audit_2026-05-02
Start time: August 2, 1239^[17]

🏷️ Also known as

en 637 AH ar 637هـ ar ٦٣٧ هـ ar ٦٣٧هـ ar 637 هـ de 637 d. H. fa ۶۳۷ (قمری) fr 637 H he 637 להג'רה ru 637 год хиджры zh 637簡寫

🔖 Identifiers · 1

Topic's main category: Category:637 AH

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Summary

637 AH is a Hijri year^[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[2] ↑ 637 AH — follows (P155): 636 AH. wikidata.org.
[3] ↑ 637 AH — followed by (P156): 638 AH. wikidata.org.
[4] ↑ 637 AH — part of (P361): Islamic calendar. wikidata.org.
[5] ↑ 637 AH — has part(s) (P527): Muharram 637 AH. wikidata.org.
[6] ↑ 637 AH — has part(s) (P527): Safar 637 AH. wikidata.org.
[7] ↑ 637 AH — has part(s) (P527): Rabi' al-Awwal 637 AH. wikidata.org.
[8] ↑ 637 AH — has part(s) (P527): Rabi' al-Thani 637 AH. wikidata.org.
[9] ↑ 637 AH — has part(s) (P527): Jumādā al-ʾŪlā 637 AH. wikidata.org.
[10] ↑ 637 AH — has part(s) (P527): Jumada al-Thani 637 AH. wikidata.org.
[11] ↑ 637 AH — has part(s) (P527): Rajab 637 AH. wikidata.org.
[12] ↑ 637 AH — has part(s) (P527): Sha'ban 637 AH. wikidata.org.
[13] ↑ 637 AH — has part(s) (P527): Ramadan 637 AH. wikidata.org.
[14] ↑ 637 AH — has part(s) (P527): Shawwal 637 AH. wikidata.org.
[15] ↑ 637 AH — has part(s) (P527): Dhu al-Qi'dah 637 AH. wikidata.org.
[16] ↑ 637 AH — has part(s) (P527): Dhu al-Hijjah 637 AH. wikidata.org.
[17] ↑ 637 AH — start time (P580): August 2, 1239. Taqwīm al-qurūn (Dhāt al-Salāsil, 1405h). wikidata.org.
[18] ↑ 637 AH — end time (P582): July 22, 1240. Taqwīm al-qurūn (Dhāt al-Salāsil, 1405h). wikidata.org.

Class ancestry

[1] ↑ 637 AH is an instance of Hijri year (Q4146861) [P31, primary]. Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). 637 AH. Retrieved May 3, 2026, from https://4ort.xyz/entity/637-ah

MLA “637 AH.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/637-ah.

BibTeX

@misc{4ortxyz_637-ah_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{637 AH}}, year = {2026}, url = {https://4ort.xyz/entity/637-ah}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 637 AH — https://4ort.xyz/entity/637-ah (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/637-ah · Last refreshed: May 3, 2026