Ruling · Mitra Saptamī · 1926

Saturday 11 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 353 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 Saturday 11 December

Taken. The only midday Saptamī reaches.

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

48 of 48 minutes covered

Midday of Sunday 12 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 05:54 on Sat 11 Dec to 03:50 on Sun 12 Dec.

    1926-12-10T21:54:02Z → 1926-12-11T19:50:21Z

  2. 02

    Kāla

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

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.

    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 21178 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1926: Saturday 11 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1926 falls on Saturday 11 December. Saptamī runs from 05:54 on Sat 11 Dec to 03:50 on Sun 12 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1926/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 11 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 11 Dec
compat-drikpanchangComparison profileSat 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 Angeles13:54 → 11:5011:220 min11:2228 min11 Dec
Chicago15:54 → 13:5011:190 min11:2048 min11 Dec
Jersey City16:54 → 14:5011:250 min11:2548 min11 Dec
Port of Spain17:54 → 15:5011:350 min11:3548 min11 Dec
London21:54 → 19:5011:290 min11:2948 min11 Dec
Durban23:54 → 21:5011:250 min11:2548 min11 Dec
Dubai01:54 → 23:5011:470 min11:4848 min11 Dec
Delhi03:24 → 01:2011:500 min11:5048 min11 Dec
Kolkata03:24 → 01:2011:050 min11:0548 min11 Dec
Singapore04:54 → 02:5011:330 min11:3448 min11 Dec
Sydney07:54 → 05:5011:240 min11:2448 min11 Dec
Suva09:54 → 07:5011:350 min11:3548 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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