Ruling · Aghora Caturdaśī · 1948

Thursday 2 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 180 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 Wednesday 1 September

Caturdaśī is absent from pradoṣa. Not taken.

19:49 sunsetpradoṣa ends 21:17
19:2519:4920:1320:3721:0121:2521:49

0 of 88 minutes covered

Evening of Thursday 2 September

Taken. The only evening Caturdaśī reaches.

19:47 sunsetpradoṣa ends 21:16
19:2319:4720:1120:3520:5921:2321:47

88 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 04:03 on Thu 2 Sep to 00:15 on Fri 3 Sep.

    1948-09-01T19:02:53Z → 1948-09-02T15:15:15Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:49–21:17 on the 1st, 19:47–21:16 on the 2nd.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 1st and 88 of 88 on the 2nd.

    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 10778 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1948: Thursday 2 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1948 falls on Thursday 2 September. Caturdaśī runs from 04:03 on Thu 2 Sep to 00:15 on Fri 3 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1948/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 2 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 2 Sep
compat-drikpanchangComparison profileThu 2 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 1stCoveredSunset 2ndCoveredRuled
Los Angeles12:03 → 08:1519:1889 min19:170 min1 Sep
Chicago14:03 → 10:1519:2487 min19:220 min1 Sep
Jersey City15:03 → 11:1519:2887 min19:270 min1 Sep
Port of Spain15:03 → 11:1518:1594 min18:150 min1 Sep
London20:03 → 16:1519:4768 min19:450 min1 Sep
Durban21:03 → 17:1517:410 min17:410 min1 Sep
Dubai23:03 → 19:1518:380 min18:3739 min2 Sep
Delhi00:33 → 20:4518:430 min18:4290 min2 Sep
Kolkata00:33 → 20:4517:540 min17:5392 min2 Sep
Singapore02:33 → 22:4518:380 min18:3895 min2 Sep
Sydney05:03 → 01:1517:370 min17:37101 min2 Sep
Suva07:03 → 03:1517:590 min17:5998 min2 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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