Ruling · Rudra Vrata · 2097

Friday 6 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 197 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 Friday 6 September

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Saturday 7 September

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 08:36 on Fri 6 Sep to 06:40 on Sat 7 Sep.

    2097-09-06T00:35:35Z → 2097-09-06T22:40:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 6th, 11:52–12:40 on the 7th.

    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 6th and 0 of 48 on the 7th.

    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 11813 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2097: Friday 6 September.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2097 falls on Friday 6 September. Pratipadā runs from 08:36 on Fri 6 Sep to 06:40 on Sat 7 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2097/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 6 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 6 Sep
compat-drikpanchangComparison profileFri 6 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles17:36 → 15:4012:2748 min12:270 min6 Sep
Chicago19:36 → 17:4012:2548 min12:240 min6 Sep
Jersey City20:36 → 18:4012:3048 min12:300 min6 Sep
Port of Spain20:36 → 18:4011:4048 min11:400 min6 Sep
London01:36 → 23:4012:3548 min12:340 min6 Sep
Durban02:36 → 00:4011:3148 min11:300 min6 Sep
Dubai04:36 → 02:4011:5348 min11:530 min6 Sep
Delhi06:06 → 04:1011:5548 min11:550 min6 Sep
Kolkata06:06 → 04:1011:1148 min11:110 min6 Sep
Singapore08:36 → 06:4012:3948 min12:390 min6 Sep
Sydney10:36 → 08:4011:3048 min11:300 min6 Sep
Suva12:36 → 10:4011:410 min11:410 min7 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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