Ruling · Jitāṣṭamī (Jitiya) · 1998

Saturday 12 September

Determinatein Cairo, under the Rashtriya Panchang method. Clear of every threshold by 75 minutes.

Decide it for

30°04′ N 31°15′ E · Africa/Cairo · GeoNames 360630

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Saturday 12 September

Taken. The only evening Aṣṭamī reaches.

19:04 sunsetpradoṣa ends 20:37
18:4019:0419:2819:5220:1620:4021:04

93 of 93 minutes covered

Evening of Sunday 13 September

Aṣṭamī is absent from pradoṣa. Not taken.

19:03 sunsetpradoṣa ends 20:36
18:3919:0319:2719:5120:1520:3921:03

0 of 93 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 17:49 on Sat 12 Sep to 16:15 on Sun 13 Sep.

    1998-09-12T14:49:21Z → 1998-09-13T13:14:48Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:04–20:37 on the 12th, 19:03–20:36 on the 13th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 93 of 93 minutes on the 12th and 0 of 93 on the 13th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 4500 s

  5. 05

    Ruling

    Jitāṣṭamī, Cairo, 1998: Saturday 12 September.

    confidence: determinate

Say it like this

In Cairo, Jitāṣṭamī (Jitiya) 1998 falls on Saturday 12 September. Aṣṭamī runs from 17:49 on Sat 12 Sep to 16:15 on Sun 13 Sep and covers all of pradoṣa that evening.

ahargana.org/cairo/festivals/1998/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 12 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 12 Sep
compat-drikpanchangComparison profileSat 12 Sep
No institution has a recorded ruling for Cairo.

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

The rule, as data

/rules/jitashtami · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīSunset 12thCoveredSunset 13thCoveredRuled
Los Angeles07:49 → 06:1519:0492 min19:020 min12 Sep
Chicago09:49 → 08:1519:0591 min19:030 min12 Sep
Jersey City10:49 → 09:1519:1091 min19:090 min12 Sep
Port of Spain10:49 → 09:1518:0894 min18:080 min12 Sep
London15:49 → 14:1519:2289 min19:200 min12 Sep
Durban16:49 → 15:1517:4697 min17:470 min12 Sep
Dubai18:49 → 17:1518:2670 min18:250 min12 Sep
Delhi20:19 → 18:4518:300 min18:2916 min13 Sep
Kolkata20:19 → 18:4517:430 min17:4263 min13 Sep
Singapore22:49 → 21:1519:040 min19:0495 min13 Sep
Sydney00:49 → 23:1517:440 min17:4598 min13 Sep
Suva02:49 → 01:1518:000 min18:0196 min13 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
jitashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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