Ruling · Rudra Vrata · 1998

Saturday 22 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 46 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 Saturday 22 August

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

Midday of Sunday 23 August

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
Pratipadā ends 11:10:59
11:0911:3311:5712:2112:4513:0913:33

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 10:03 on Sat 22 Aug to 11:11 on Sun 23 Aug.

    1998-08-22T02:03:06Z → 1998-08-23T03:11:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 22nd, 11:57–12:45 on the 23rd.

    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 22nd and 0 of 48 on the 23rd.

    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 2735 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 1998: Saturday 22 August.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 1998 falls on Saturday 22 August. Pratipadā runs from 10:03 on Sat 22 Aug to 11:11 on Sun 23 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1998/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 22 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 22 Aug
compat-drikpanchangComparison profileSat 22 Aug
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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles19:03 → 20:1112:3248 min12:310 min22 Aug
Chicago21:03 → 22:1112:2948 min12:290 min22 Aug
Jersey City22:03 → 23:1112:3548 min12:350 min22 Aug
Port of Spain22:03 → 23:1111:4548 min11:450 min22 Aug
London03:03 → 04:1112:3948 min12:390 min22 Aug
Durban04:03 → 05:1111:3548 min11:350 min22 Aug
Dubai06:03 → 07:1111:5848 min11:570 min22 Aug
Delhi07:33 → 08:4112:0048 min12:000 min22 Aug
Kolkata07:33 → 08:4111:1548 min11:150 min22 Aug
Singapore10:03 → 11:1112:4448 min12:430 min22 Aug
Sydney12:03 → 13:1111:3419 min11:3448 min22 Aug
Suva14:03 → 15:1111:450 min11:4548 min23 Aug
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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