Ruling · Mitra Saptamī · 1904

Wednesday 14 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 96 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 Tuesday 13 December

Saptamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Wednesday 14 December

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

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 14:12 on Tue 13 Dec to 16:45 on Wed 14 Dec.

    1904-12-13T06:12:07Z → 1904-12-14T08:45:15Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 13th, 11:49–12:37 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 5757 s

  5. 05

    Ruling

    Mitra Saptamī, Baoding, 1904: Wednesday 14 December.

    confidence: determinate

Say it like this

In Baoding, Mitra Saptamī 1904 falls on Wednesday 14 December. Saptamī runs from 14:12 on Tue 13 Dec to 16:45 on Wed 14 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1904/mitra-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 14 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 14 Dec
compat-drikpanchangComparison profileWed 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles22:12 → 00:4511:2348 min11:240 min13 Dec
Chicago00:12 → 02:4511:2148 min11:210 min13 Dec
Jersey City01:12 → 03:4511:2748 min11:270 min13 Dec
Port of Spain02:12 → 04:4511:3648 min11:370 min13 Dec
London06:12 → 08:4511:3148 min11:310 min13 Dec
Durban08:12 → 10:4511:2648 min11:270 min13 Dec
Dubai09:53 → 12:2611:3048 min11:3048 min13 Dec
Delhi11:33 → 14:0611:4248 min11:4348 min13 Dec
Kolkata11:33 → 14:0610:5813 min10:5848 min13 Dec
Singapore13:07 → 15:4011:300 min11:3048 min14 Dec
Sydney16:12 → 18:4511:250 min11:2648 min14 Dec
Suva18:07 → 20:4011:310 min11:3248 min14 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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