Ruling · Rudra Vrata · 2075

Wednesday 11 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 384 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 Tuesday 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

Midday of Wednesday 11 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

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

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 19:03 on Tue 10 Sep to 19:11 on Wed 11 Sep.

    2075-09-10T11:03:23Z → 2075-09-11T11:11:17Z

  2. 02

    Kāla

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

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

  3. 03

    Rule

    Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.

    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 23057 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2075: Wednesday 11 September.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2075 falls on Wednesday 11 September. Pratipadā runs from 19:03 on Tue 10 Sep to 19:11 on Wed 11 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2075/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 11 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 11 Sep
compat-drikpanchangComparison profileWed 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles04:03 → 04:1112:2648 min12:250 min10 Sep
Chicago06:03 → 06:1112:2348 min12:230 min10 Sep
Jersey City07:03 → 07:1112:2948 min12:290 min10 Sep
Port of Spain07:03 → 07:1111:3948 min11:390 min10 Sep
London12:03 → 12:1112:3348 min12:330 min10 Sep
Durban13:03 → 13:1111:290 min11:2948 min11 Sep
Dubai15:03 → 15:1111:520 min11:5148 min11 Sep
Delhi16:33 → 16:4111:540 min11:5448 min11 Sep
Kolkata16:33 → 16:4111:100 min11:0948 min11 Sep
Singapore19:03 → 19:1112:380 min12:3848 min11 Sep
Sydney21:03 → 21:1111:290 min11:2848 min11 Sep
Suva23:03 → 23:1111:400 min11:3948 min11 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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