Ruling · Śrī Pañcamī · 1981

Monday 9 February

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 432 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Sunday 8 February

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:31  12:19 madhyāhna ends
10:4311:0711:3111:5512:1912:4313:07

0 of 48 minutes covered

Midday of Monday 9 February

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:31  12:19 madhyāhna ends
10:4311:0711:3111:5512:1912:4313:07

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 21:57 on Sun 8 Feb to 19:31 on Mon 9 Feb.

    1981-02-08T13:56:56Z → 1981-02-09T11:30:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 8th, 11:31–12:19 on the 9th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 25940 s

  5. 05

    Ruling

    Śrī Pañcamī, Daqing, 1981: Monday 9 February.

    confidence: determinate

Say it like this

In Daqing, Śrī Pañcamī 1981 falls on Monday 9 February. Pañcamī runs from 21:57 on Sun 8 Feb to 19:31 on Mon 9 Feb and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1981/shri-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 9 Feb
Ahargaṇa, classicalDisc centre, no refractionMon 9 Feb
compat-drikpanchangComparison profileMon 9 Feb
No institution has a recorded ruling for Daqing.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/shri-panchami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles05:57 → 03:3111:4348 min11:430 min8 Feb
Chicago07:57 → 05:3111:4148 min11:410 min8 Feb
Jersey City08:57 → 06:3111:4748 min11:470 min8 Feb
Port of Spain09:57 → 07:3111:5648 min11:560 min8 Feb
London13:57 → 11:3111:510 min11:510 min9 Feb
Durban15:57 → 13:3111:460 min11:4648 min9 Feb
Dubai17:57 → 15:3112:090 min12:0948 min9 Feb
Delhi19:27 → 17:0112:110 min12:1248 min9 Feb
Kolkata19:27 → 17:0111:270 min11:2748 min9 Feb
Singapore21:27 → 19:0112:250 min12:2548 min9 Feb
Sydney00:57 → 22:3112:450 min12:4548 min9 Feb
Suva01:57 → 23:3111:560 min11:5648 min9 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shri-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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