Ruling · Aghora Caturdaśī · 1937

Friday 3 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 573 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 Friday 3 September

Taken. The only evening Caturdaśī reaches.

18:46 sunsetpradoṣa ends 20:15
18:2218:4619:1019:3419:5820:2220:46

88 of 88 minutes covered

Evening of Saturday 4 September

Caturdaśī is absent from pradoṣa. Not taken.

18:45 sunsetpradoṣa ends 20:14
18:2118:4519:0919:3319:5720:2120:45

0 of 89 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 09:14 on Fri 3 Sep to 07:52 on Sat 4 Sep.

    1937-09-03T01:13:51Z → 1937-09-03T23:51:50Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:46–20:15 on the 3rd, 18:45–20:14 on the 4th.

    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 3rd and 0 of 89 on the 4th.

    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 34355 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1937: Friday 3 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1937 falls on Friday 3 September. Caturdaśī runs from 09:14 on Fri 3 Sep to 07:52 on Sat 4 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1937/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 3 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 3 Sep
compat-drikpanchangComparison profileFri 3 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 3rdCoveredSunset 4thCoveredRuled
Los Angeles17:14 → 15:5218:160 min18:150 min2 Sep
Chicago20:14 → 18:5219:210 min19:190 min2 Sep
Jersey City21:14 → 19:5219:2626 min19:240 min3 Sep
Port of Spain21:14 → 19:5218:1494 min18:140 min3 Sep
London02:14 → 00:5219:4385 min19:410 min3 Sep
Durban03:14 → 01:5217:41100 min17:420 min3 Sep
Dubai05:14 → 03:5218:3691 min18:350 min3 Sep
Delhi06:44 → 05:2218:4191 min18:400 min3 Sep
Kolkata06:44 → 05:2217:5292 min17:510 min3 Sep
Singapore08:34 → 07:1218:2895 min18:270 min3 Sep
Sydney11:14 → 09:5217:38100 min17:380 min3 Sep
Suva13:14 → 11:5217:5998 min17:590 min3 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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