Ruling · Mitra Saptamī · 2097

Wednesday 11 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 316 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 December

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

0 of 48 minutes covered

Midday of Wednesday 11 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 17:51 on Tue 10 Dec to 19:40 on Wed 11 Dec.

    2097-12-10T09:50:47Z → 2097-12-11T11:39:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 10th, 11:48–12:36 on the 11th.

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

  3. 03

    Rule

    Saptamī 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. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 18930 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2097: Wednesday 11 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2097 falls on Wednesday 11 December. Saptamī runs from 17:51 on Tue 10 Dec to 19:40 on Wed 11 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2097/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 11 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 11 Dec
compat-drikpanchangComparison profileWed 11 Dec
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/mitra-saptami · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 7 Mitra saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles01:51 → 03:4011:2248 min11:230 min10 Dec
Chicago03:51 → 05:4011:2048 min11:200 min10 Dec
Jersey City04:51 → 06:4011:2648 min11:260 min10 Dec
Port of Spain05:51 → 07:4011:3548 min11:360 min10 Dec
London09:51 → 11:4011:3048 min11:309 min10 Dec
Durban11:51 → 13:4011:2522 min11:2648 min10 Dec
Dubai13:51 → 15:4011:480 min11:4848 min11 Dec
Delhi15:21 → 17:1011:500 min11:5148 min11 Dec
Kolkata15:21 → 17:1011:060 min11:0648 min11 Dec
Singapore17:51 → 19:4012:340 min12:3448 min11 Dec
Sydney20:51 → 22:4012:240 min12:2548 min11 Dec
Suva21:51 → 23:4011:350 min11:3648 min11 Dec
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mitra-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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