Ruling · Śītalāṣṭamī · 2053

Wednesday 12 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 230 minutes.

Decide it for

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 Wednesday 12 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:26  12:14 madhyāhna ends
10:3811:0211:2611:5012:1412:3813:02

48 of 48 minutes covered

Midday of Thursday 13 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:26  12:14 madhyāhna ends
10:3811:0211:2611:5012:1412:3813:02

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 05:09 on Wed 12 Mar to 07:36 on Thu 13 Mar.

    2053-03-11T21:08:41Z → 2053-03-12T23:35:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 12th, 11:26–12:14 on the 13th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.

    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 13811 s

  5. 05

    Ruling

    Śītalāṣṭamī, Daqing, 2053: Wednesday 12 March.

    confidence: determinate

Say it like this

In Daqing, Śītalāṣṭamī 2053 falls on Wednesday 12 March. Aṣṭamī runs from 05:09 on Wed 12 Mar to 07:36 on Thu 13 Mar and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2053/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 12 Mar
Ahargaṇa, classicalDisc centre, no refractionWed 12 Mar
compat-drikpanchangComparison profileWed 12 Mar
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/shitalashtami · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 8 Sitalastami, (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles14:09 → 16:3612:390 min12:3948 min12 Mar
Chicago16:09 → 18:3612:370 min12:3748 min12 Mar
Jersey City17:09 → 19:3612:420 min12:4248 min12 Mar
Port of Spain17:09 → 19:3611:520 min11:5248 min12 Mar
London21:09 → 23:3611:470 min11:4748 min12 Mar
Durban23:09 → 01:3611:420 min11:4148 min12 Mar
Dubai01:09 → 03:3612:050 min12:0548 min12 Mar
Delhi02:39 → 05:0612:070 min12:0748 min12 Mar
Kolkata02:39 → 05:0611:230 min11:2248 min12 Mar
Singapore05:09 → 07:3612:510 min12:5048 min12 Mar
Sydney08:09 → 10:3612:410 min12:4148 min12 Mar
Suva09:09 → 11:3611:520 min11:5248 min12 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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