Ruling · Aghora Caturdaśī · 2037

Tuesday 8 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 535 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Tuesday 8 September

Taken. The only evening Caturdaśī reaches.

18:38 sunsetpradoṣa ends 20:08
18:1418:3819:0219:2619:5020:1420:38

90 of 90 minutes covered

Evening of Wednesday 9 September

Caturdaśī is absent from pradoṣa. Not taken.

18:36 sunsetpradoṣa ends 20:07
18:1218:3619:0019:2419:4820:1220:36

0 of 91 minutes covered

Caturdaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 09:42 on Tue 8 Sep to 06:12 on Wed 9 Sep.

    2037-09-08T01:42:02Z → 2037-09-08T22:12:09Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:38–20:08 on the 8th, 18:36–20:07 on the 9th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 8th and 0 of 91 on the 9th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 32129 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2037: Tuesday 8 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2037 falls on Tuesday 8 September. Caturdaśī runs from 09:42 on Tue 8 Sep to 06:12 on Wed 9 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2037/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 8 Sep
compat-drikpanchangComparison profileTue 8 Sep
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/aghora-chaturdashi · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturdaśī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“K 14 Aghora caturdasi (pradosa vyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīSunset 8thCoveredSunset 9thCoveredRuled
Los Angeles18:42 → 15:1219:080 min19:070 min7 Sep
Chicago20:42 → 17:1219:110 min19:090 min7 Sep
Jersey City21:42 → 18:1219:160 min19:140 min7 Sep
Port of Spain21:42 → 18:1218:111 min18:100 min8 Sep
London02:42 → 23:1219:3088 min19:280 min8 Sep
Durban03:42 → 00:1217:4598 min17:450 min8 Sep
Dubai05:42 → 02:1218:3092 min18:290 min8 Sep
Delhi07:12 → 03:4218:3492 min18:330 min8 Sep
Kolkata07:12 → 03:4217:4793 min17:460 min8 Sep
Singapore09:42 → 06:1219:0695 min19:050 min8 Sep
Sydney11:42 → 08:1217:4299 min17:420 min8 Sep
Suva13:42 → 10:1218:0097 min18:000 min8 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
aghora-chaturdashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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