Ruling · Śītalāṣṭamī · 2074

Tuesday 20 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 388 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 Monday 19 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

0 of 48 minutes covered

Midday of Tuesday 20 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

48 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 20:49 on Mon 19 Mar to 19:18 on Tue 20 Mar.

    2074-03-19T12:48:43Z → 2074-03-20T11:17:39Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 19th, 12:02–12:50 on the 20th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.

    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 23257 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2074: Tuesday 20 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2074 falls on Tuesday 20 March. Aṣṭamī runs from 20:49 on Mon 19 Mar to 19:18 on Tue 20 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2074/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 20 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 20 Mar
compat-drikpanchangComparison profileTue 20 Mar
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/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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles05:49 → 04:1812:3748 min12:370 min19 Mar
Chicago07:49 → 06:1812:3548 min12:340 min19 Mar
Jersey City08:49 → 07:1812:4048 min12:400 min19 Mar
Port of Spain08:49 → 07:1811:5048 min11:500 min19 Mar
London12:49 → 11:1811:450 min11:440 min20 Mar
Durban14:49 → 13:1811:390 min11:3948 min20 Mar
Dubai16:49 → 15:1812:030 min12:0248 min20 Mar
Delhi18:19 → 16:4812:050 min12:0548 min20 Mar
Kolkata18:19 → 16:4811:210 min11:2048 min20 Mar
Singapore20:49 → 19:1812:480 min12:4848 min20 Mar
Sydney23:49 → 22:1812:390 min12:3848 min20 Mar
Suva00:49 → 23:1811:500 min11:5048 min20 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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