Ruling · Rudra Vrata · 1932

Thursday 1 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 479 minutes.

Decide it for

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

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Thursday 1 September

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Friday 2 September

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

0 of 48 minutes covered

Pratipadā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 03:55 on Thu 1 Sep to 01:36 on Fri 2 Sep.

    1932-08-31T19:54:32Z → 1932-09-01T17:35:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 1st, 11:54–12:42 on the 2nd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.

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

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 28761 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 1932: Thursday 1 September.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 1932 falls on Thursday 1 September. Pratipadā runs from 03:55 on Thu 1 Sep to 01:36 on Fri 2 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1932/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 1 Sep
compat-drikpanchangComparison profileThu 1 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/rudra-vrata · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Pratipadā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“S 1 Rudra vrata (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāMadhyāhna 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles11:55 → 09:3611:2922 min11:290 min31 Aug
Chicago14:55 → 12:3612:260 min12:2610 min1 Sep
Jersey City15:55 → 13:3612:320 min12:3248 min1 Sep
Port of Spain15:55 → 13:3611:420 min11:4248 min1 Sep
London20:55 → 18:3612:360 min12:3648 min1 Sep
Durban21:55 → 19:3611:320 min11:3248 min1 Sep
Dubai23:55 → 21:3611:550 min11:5548 min1 Sep
Delhi01:25 → 23:0611:570 min11:5748 min1 Sep
Kolkata01:25 → 23:0611:130 min11:1248 min1 Sep
Singapore02:55 → 00:3611:410 min11:4148 min1 Sep
Sydney05:55 → 03:3611:320 min11:3148 min1 Sep
Suva07:55 → 05:3611:430 min11:4348 min1 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rudra-vrata@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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