Ruling · Rudra Vrata · 2067

Friday 9 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 472 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 Friday 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 Saturday 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 02:10 on Fri 9 Sep to 03:59 on Sat 10 Sep.

    2067-09-08T18:09:44Z → 2067-09-09T19:58:49Z

  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 28335 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2067: Friday 9 September.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2067 falls on Friday 9 September. Pratipadā runs from 02:10 on Fri 9 Sep to 03:59 on Sat 10 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2067/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 9 Sep
compat-drikpanchangComparison profileFri 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles11:10 → 12:5912:2648 min12:2633 min8 Sep
Chicago13:10 → 14:5912:242 min12:2448 min8 Sep
Jersey City14:10 → 15:5912:300 min12:2948 min9 Sep
Port of Spain14:10 → 15:5911:400 min11:3948 min9 Sep
London19:10 → 20:5912:340 min12:3348 min9 Sep
Durban20:10 → 21:5911:300 min11:3048 min9 Sep
Dubai22:10 → 23:5911:520 min11:5248 min9 Sep
Delhi23:40 → 01:2911:550 min11:5448 min9 Sep
Kolkata23:40 → 01:2911:100 min11:1048 min9 Sep
Singapore02:10 → 03:5912:390 min12:3848 min9 Sep
Sydney04:10 → 05:5911:290 min11:2948 min9 Sep
Suva06:10 → 07:5911:400 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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