Ruling · Aghora Caturdaśī · 2073

Thursday 31 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 207 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 Thursday 31 August

Taken. The only evening Caturdaśī reaches.

18:50 sunsetpradoṣa ends 20:17
18:2618:5019:1419:3820:0220:2620:50

88 of 88 minutes covered

Evening of Friday 1 September

Caturdaśī is absent from pradoṣa. Not taken.

18:48 sunsetpradoṣa ends 20:16
18:2418:4819:1219:3620:0020:2420:48

0 of 88 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 15:23 on Thu 31 Aug to 12:52 on Fri 1 Sep.

    2073-08-31T07:23:01Z → 2073-09-01T04:51:43Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:50–20:17 on the 31st, 18:48–20:16 on the 1st.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 31st and 0 of 88 on the 1st.

    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 12401 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2073: Thursday 31 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2073 falls on Thursday 31 August. Caturdaśī runs from 15:23 on Thu 31 Aug to 12:52 on Fri 1 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2073/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 31 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 31 Aug
compat-drikpanchangComparison profileThu 31 Aug
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 31stCoveredSunset 1stCoveredRuled
Los Angeles00:23 → 21:5219:1989 min19:180 min31 Aug
Chicago02:23 → 23:5219:2487 min19:230 min31 Aug
Jersey City03:23 → 00:5219:2987 min19:270 min31 Aug
Port of Spain03:23 → 00:5218:1693 min18:150 min31 Aug
London08:23 → 05:5219:4884 min19:450 min31 Aug
Durban09:23 → 06:5217:41100 min17:410 min31 Aug
Dubai11:23 → 08:5218:3891 min18:370 min31 Aug
Delhi12:53 → 10:2218:4390 min18:420 min31 Aug
Kolkata12:53 → 10:2217:5491 min17:530 min31 Aug
Singapore15:23 → 12:5219:0995 min19:090 min31 Aug
Sydney17:23 → 14:5217:37101 min17:370 min31 Aug
Suva19:23 → 16:5217:5914 min17:590 min31 Aug
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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