Ruling · Rudra Vrata · 1934

Sunday 9 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 123 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Sunday 9 September

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Monday 10 September

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 08:20 on Sun 9 Sep to 09:48 on Mon 10 Sep.

    1934-09-09T00:20:04Z → 1934-09-10T01:47:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 9th, 11:51–12:39 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 7387 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 1934: Sunday 9 September.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 1934 falls on Sunday 9 September. Pratipadā runs from 08:20 on Sun 9 Sep to 09:48 on Mon 10 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1934/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 9 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 9 Sep
compat-drikpanchangComparison profileSun 9 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles16:20 → 17:4811:2648 min11:260 min9 Sep
Chicago19:20 → 20:4812:2448 min12:230 min9 Sep
Jersey City20:20 → 21:4812:2948 min12:290 min9 Sep
Port of Spain20:20 → 21:4811:3948 min11:390 min9 Sep
London01:20 → 02:4812:3348 min12:330 min9 Sep
Durban02:20 → 03:4811:3048 min11:290 min9 Sep
Dubai04:20 → 05:4811:5248 min11:520 min9 Sep
Delhi05:50 → 07:1811:5448 min11:540 min9 Sep
Kolkata05:50 → 07:1811:1048 min11:100 min9 Sep
Singapore07:40 → 09:0811:5848 min11:580 min9 Sep
Sydney10:20 → 11:4811:2948 min11:2919 min9 Sep
Suva12:20 → 13:4811:408 min11:4048 min9 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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