{"id":"vidhyamitra:city-day:ayodhya:1664-05-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1664-05-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1664-05-04","date_display":"May 4, 1664 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1664,"month":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328947.770833,"kali_year":4766,"ahargana":1740482.2708,"sun":{"sidereal_longitude":25.7936,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":130.3507,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.5571,"elapsed_within_tithi_degrees":8.5571},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":130.3507,"elapsed_within_degrees":10.3507},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.1443},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1664,"month":5,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328947.770833,"ahargana":1740482.2708,"kali_year":4766,"ayanamsa_lahiri":19.1641,"grahas":{"sun":{"sidereal_longitude":24.99712599999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":130.549326,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":0.7402},"mars":{"sidereal_longitude":128.001526,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":17.442725999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":273.156826,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":355.961826,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":252.973526,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":120.8735,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":300.8735,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1664,"month":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328947.770833,"kali_year":4766,"ahargana":1740482.2708,"sun":{"sidereal_longitude":25.7936,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":130.3507,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.5571,"elapsed_within_tithi_degrees":8.5571},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":130.3507,"elapsed_within_degrees":10.3507},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.1443},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.74,"elongation":104.557},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.74,"opposition_distance":75.443}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:20","sunsetLocal":"18:35","solarNoonLocal":"11:58","dayLengthHours":13.247853931921583,"dayLengthDisplay":"13 Hours 14 Mins 52 Secs","nightLengthDisplay":"10 Hours 45 Mins 08 Secs","moonriseLocal":"12:34","moonsetLocal":"01:27","rahuKala":{"name":"Rāhu Kāla","start":"16:56","end":"18:35","startHours":16.93337093083593,"endHours":18.58935267232613,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:58","end":"13:37","startHours":11.965425706365338,"endHours":13.621407447855535,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:17","end":"16:56","startHours":15.277389189345733,"endHours":16.93337093083593,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:26","end":"08:52","startHours":8.432664657852916,"endHours":8.87425978891697,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:54","end":"06:15","startHours":5.893492654234613,"endHours":6.246768759085856,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.523830575301284,"endHours":12.40702083742939,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:35","end":"04:27","startHours":3.5751182161483364,"endHours":4.458308478276441,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:14","end":"05:20","startHours":4.2375109127444155,"endHours":5.341498740404547,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:03","startHours":14.173401361685602,"endHours":15.056591623813707,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.38935267232613,"endHours":18.789352672326128,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:08","startHours":18.58935267232613,"endHours":19.141346586156196,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.33935267232613,"endHours":20.08935267232613,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.523830575301286,"endHours":24.40702083742939,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:20","end":"07:00","startHours":5.341498740404547,"endHours":6.997480481894745,"quality":"inauspicious"},{"name":"Chala","start":"07:00","end":"08:39","startHours":6.997480481894745,"endHours":8.653462223384942,"quality":"neutral"},{"name":"Labha","start":"08:39","end":"10:19","startHours":8.653462223384942,"endHours":10.30944396487514,"quality":"auspicious"},{"name":"Amṛta","start":"10:19","end":"11:58","startHours":10.30944396487514,"endHours":11.965425706365338,"quality":"auspicious"},{"name":"Kāla","start":"11:58","end":"13:37","startHours":11.965425706365338,"endHours":13.621407447855535,"quality":"inauspicious"},{"name":"Śubha","start":"13:37","end":"15:17","startHours":13.621407447855535,"endHours":15.277389189345733,"quality":"auspicious"},{"name":"Roga","start":"15:17","end":"16:56","startHours":15.277389189345733,"endHours":16.93337093083593,"quality":"inauspicious"},{"name":"Udveg","start":"16:56","end":"18:35","startHours":16.93337093083593,"endHours":18.58935267232613,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:35","end":"19:56","startHours":18.58935267232613,"endHours":19.93337093083593,"quality":"auspicious"},{"name":"Roga","start":"19:56","end":"21:17","startHours":19.93337093083593,"endHours":21.277389189345733,"quality":"inauspicious"},{"name":"Udveg","start":"21:17","end":"22:37","startHours":21.277389189345733,"endHours":22.621407447855535,"quality":"inauspicious"},{"name":"Chala","start":"22:37","end":"23:58","startHours":22.621407447855535,"endHours":23.965425706365338,"quality":"neutral"},{"name":"Labha","start":"23:58","end":"01:19","startHours":23.965425706365338,"endHours":25.30944396487514,"quality":"auspicious"},{"name":"Amṛta","start":"01:19","end":"02:39","startHours":25.30944396487514,"endHours":26.653462223384942,"quality":"auspicious"},{"name":"Kāla","start":"02:39","end":"04:00","startHours":26.653462223384942,"endHours":27.997480481894744,"quality":"inauspicious"},{"name":"Śubha","start":"04:00","end":"05:20","startHours":27.997480481894744,"endHours":29.341498740404546,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:20","end":"06:20","startHours":5.341498740404547,"endHours":6.341498740404547,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:20","end":"07:20","startHours":6.341498740404547,"endHours":7.341498740404547,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:20","end":"08:20","startHours":7.341498740404547,"endHours":8.341498740404546,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:20","end":"09:20","startHours":8.341498740404546,"endHours":9.341498740404546,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:20","end":"10:20","startHours":9.341498740404546,"endHours":10.341498740404546,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:20","end":"11:20","startHours":10.341498740404546,"endHours":11.341498740404546,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:20","end":"12:20","startHours":11.341498740404546,"endHours":12.341498740404546,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:20","end":"13:20","startHours":12.341498740404546,"endHours":13.341498740404546,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:20","end":"14:20","startHours":13.341498740404546,"endHours":14.341498740404546,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:20","end":"15:20","startHours":14.341498740404546,"endHours":15.341498740404546,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:20","end":"16:20","startHours":15.341498740404546,"endHours":16.341498740404546,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:20","end":"17:20","startHours":16.341498740404546,"endHours":17.341498740404546,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:20","end":"18:20","startHours":17.341498740404546,"endHours":18.341498740404546,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:20","end":"19:20","startHours":18.341498740404546,"endHours":19.341498740404546,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:20","end":"20:20","startHours":19.341498740404546,"endHours":20.341498740404546,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:20","end":"21:20","startHours":20.341498740404546,"endHours":21.341498740404546,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:20","end":"22:20","startHours":21.341498740404546,"endHours":22.341498740404546,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:20","end":"23:20","startHours":22.341498740404546,"endHours":23.341498740404546,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:20","end":"00:20","startHours":23.341498740404546,"endHours":24.341498740404546,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:20","end":"01:20","startHours":24.341498740404546,"endHours":25.341498740404546,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:20","end":"02:20","startHours":25.341498740404546,"endHours":26.341498740404546,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:20","end":"03:20","startHours":26.341498740404546,"endHours":27.341498740404546,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:20","end":"04:20","startHours":27.341498740404546,"endHours":28.341498740404546,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:20","end":"05:20","startHours":28.341498740404546,"endHours":29.341498740404546,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":16.08673246293843,"eotMinutes":3.258457618079846,"ayanamsa":19.1641}},"calendars":{"vikram_samvat":1721,"vikram_samvatsara":"Piṅgala","saka_samvat":1586,"saka_samvatsara":"Krodhi","bengali_samvat":1071,"malayalam_era":840,"nanakshahi_year":195,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Navamī · Vikram 1721 Piṅgala · Śaka 1586 Krodhi"},"festivals":[{"id":"sita-navami","name":"Sītā Navamī","name_sanskrit":"सीता नवमी","tradition":"Vaishnava","associated_deity":"Sītā Devī (Lakṣmī as Bhū-suta)","significance":"Devī Sītā's manifestation in Mithilā; rāmāvatāra-kalatra.","vrata":true,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":2,"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 66"]},{"id":"madhva-jayanti","name":"Madhvācārya Jayantī","name_sanskrit":"मध्वाचार्य जयन्ती","tradition":"Vaishnava","associated_deity":"Madhvācārya (Dvaita)","significance":"Birth of Madhvācārya; Dvaita-pratiṣṭhāpaka. Vaiśākha Śukla 9.","vrata":false,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 4, 1664 CE · Ayodhyā · Vidhyamitra","description":"May 4, 1664 CE for Ayodhyā: Śukla Navamī, sūryodaya 05:20, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1664-05-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1664-05-04","sa":"https://sa.vidhyamitra.com/city/ayodhya/1664-05-04","hi":"https://hi.vidhyamitra.com/city/ayodhya/1664-05-04","x-default":"https://vidhyamitra.com/city/ayodhya/1664-05-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T18:36:40.515Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-04T18:36:40.515Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T18:36:40.515Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}