Ruling · Mitra Saptamī · 2053

Wednesday 17 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 448 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 Wednesday 17 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

48 of 48 minutes covered

Midday of Thursday 18 December

Saptamī 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 02:19 on Wed 17 Dec to 04:23 on Thu 18 Dec.

    2053-12-16T18:18:43Z → 2053-12-17T20:23:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 17th, 11:51–12:39 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 26852 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 2053: Wednesday 17 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 2053 falls on Wednesday 17 December. Saptamī runs from 02:19 on Wed 17 Dec to 04:23 on Thu 18 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2053/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 17 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 17 Dec
compat-drikpanchangComparison profileWed 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles10:19 → 12:2311:2548 min11:2548 min16 Dec
Chicago12:19 → 14:2311:230 min11:2348 min17 Dec
Jersey City13:19 → 15:2311:280 min11:2948 min17 Dec
Port of Spain14:19 → 16:2311:380 min11:3848 min17 Dec
London18:19 → 20:2311:320 min11:3348 min17 Dec
Durban20:19 → 22:2311:280 min11:2848 min17 Dec
Dubai22:19 → 00:2311:510 min11:5148 min17 Dec
Delhi23:49 → 01:5311:530 min11:5348 min17 Dec
Kolkata23:49 → 01:5311:080 min11:0948 min17 Dec
Singapore02:19 → 04:2312:360 min12:3748 min17 Dec
Sydney05:19 → 07:2312:270 min12:2748 min17 Dec
Suva06:19 → 08:2311:380 min11:3848 min17 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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