{"id":"vidhyamitra:city-day:ayodhya:1964-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1964-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-02-17","date_display":"February 17, 1964 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":1964,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438442.770833,"kali_year":5065,"ahargana":1849977.2708,"sun":{"sidereal_longitude":304.2494,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":347.7157,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.4663,"elapsed_within_tithi_degrees":7.4663},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.7157,"elapsed_within_degrees":1.049},"yoga":{"number":22,"name":"Sādhya","sum_longitude":291.9651},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1964,"month":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438442.770833,"ahargana":1849977.2708,"kali_year":5065,"ayanamsa_lahiri":23.3519,"grahas":{"sun":{"sidereal_longitude":304.059212,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":348.080912,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":-4.4983},"mars":{"sidereal_longitude":304.54271200000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":286.260312,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":355.061312,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":344.482312,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":303.123512,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":79.3015,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.3015,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"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":1964,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438442.770833,"kali_year":5065,"ahargana":1849977.2708,"sun":{"sidereal_longitude":304.2494,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":347.7157,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.4663,"elapsed_within_tithi_degrees":7.4663},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.7157,"elapsed_within_degrees":1.049},"yoga":{"number":22,"name":"Sādhya","sum_longitude":291.9651},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.498,"elongation":43.466},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.498,"opposition_distance":136.534}},"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":"06:37","sunsetLocal":"17:54","solarNoonLocal":"12:16","dayLengthHours":11.280036191830947,"dayLengthDisplay":"11 Hours 16 Mins 48 Secs","nightLengthDisplay":"12 Hours 43 Mins 12 Secs","moonriseLocal":"09:00","moonsetLocal":"21:24","rahuKala":{"name":"Rāhu Kāla","start":"08:02","end":"09:26","startHours":8.03126256725233,"endHours":9.441267091231198,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:51","end":"12:16","startHours":10.851271615210067,"endHours":12.261276139188936,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:40","end":"15:05","startHours":13.671280663167803,"endHours":15.081285187146673,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:38","startHours":9.253266488034017,"endHours":9.629267694428382,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:05","end":"07:24","startHours":7.091259551266418,"endHours":7.39206051638191,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.885274932794571,"endHours":12.637277345583302,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:07","end":"05:52","startHours":5.117253217696002,"endHours":5.869255630484733,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:41","end":"06:37","startHours":5.68125502728755,"endHours":6.621258043273462,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:54","startHours":14.14128217116076,"endHours":14.893284583949491,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:42","end":"18:06","startHours":17.70129423510441,"endHours":18.101294235104408,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:54","end":"18:22","startHours":17.90129423510441,"endHours":18.371295743097367,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:39","end":"19:24","startHours":17.65129423510441,"endHours":19.40129423510441,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.885274932794573,"endHours":24.6372773455833,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:37","end":"08:02","startHours":6.621258043273462,"endHours":8.03126256725233,"quality":"auspicious"},{"name":"Kāla","start":"08:02","end":"09:26","startHours":8.03126256725233,"endHours":9.441267091231198,"quality":"inauspicious"},{"name":"Śubha","start":"09:26","end":"10:51","startHours":9.441267091231198,"endHours":10.851271615210067,"quality":"auspicious"},{"name":"Roga","start":"10:51","end":"12:16","startHours":10.851271615210067,"endHours":12.261276139188936,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:40","startHours":12.261276139188936,"endHours":13.671280663167803,"quality":"inauspicious"},{"name":"Chala","start":"13:40","end":"15:05","startHours":13.671280663167803,"endHours":15.081285187146673,"quality":"neutral"},{"name":"Labha","start":"15:05","end":"16:29","startHours":15.081285187146673,"endHours":16.49128971112554,"quality":"auspicious"},{"name":"Amṛta","start":"16:29","end":"17:54","startHours":16.49128971112554,"endHours":17.90129423510441,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:54","end":"19:29","startHours":17.90129423510441,"endHours":19.49128971112554,"quality":"neutral"},{"name":"Labha","start":"19:29","end":"21:05","startHours":19.49128971112554,"endHours":21.081285187146673,"quality":"auspicious"},{"name":"Amṛta","start":"21:05","end":"22:40","startHours":21.081285187146673,"endHours":22.671280663167803,"quality":"auspicious"},{"name":"Kāla","start":"22:40","end":"00:16","startHours":22.671280663167803,"endHours":24.261276139188936,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:51","startHours":24.261276139188936,"endHours":25.851271615210067,"quality":"auspicious"},{"name":"Roga","start":"01:51","end":"03:26","startHours":25.851271615210067,"endHours":27.441267091231197,"quality":"inauspicious"},{"name":"Udveg","start":"03:26","end":"05:02","startHours":27.441267091231197,"endHours":29.03126256725233,"quality":"inauspicious"},{"name":"Chala","start":"05:02","end":"06:37","startHours":29.03126256725233,"endHours":30.621258043273464,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:37","end":"07:37","startHours":6.621258043273462,"endHours":7.621258043273462,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:37","end":"08:37","startHours":7.621258043273462,"endHours":8.621258043273462,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:37","end":"09:37","startHours":8.621258043273462,"endHours":9.621258043273462,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:37","end":"10:37","startHours":9.621258043273462,"endHours":10.621258043273462,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:37","end":"11:37","startHours":10.621258043273462,"endHours":11.621258043273462,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:37","end":"12:37","startHours":11.621258043273462,"endHours":12.621258043273462,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:37","end":"13:37","startHours":12.621258043273462,"endHours":13.621258043273462,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:37","end":"14:37","startHours":13.621258043273462,"endHours":14.621258043273462,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:37","end":"15:37","startHours":14.621258043273462,"endHours":15.621258043273462,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:37","end":"16:37","startHours":15.621258043273462,"endHours":16.621258043273464,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:37","end":"17:37","startHours":16.621258043273464,"endHours":17.621258043273464,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:37","end":"18:37","startHours":17.621258043273464,"endHours":18.621258043273464,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:37","end":"19:37","startHours":18.621258043273464,"endHours":19.621258043273464,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:37","end":"20:37","startHours":19.621258043273464,"endHours":20.621258043273464,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:37","end":"21:37","startHours":20.621258043273464,"endHours":21.621258043273464,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:37","end":"22:37","startHours":21.621258043273464,"endHours":22.621258043273464,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:37","end":"23:37","startHours":22.621258043273464,"endHours":23.621258043273464,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:37","end":"00:37","startHours":23.621258043273464,"endHours":24.621258043273464,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:37","end":"01:37","startHours":24.621258043273464,"endHours":25.621258043273464,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:37","end":"02:37","startHours":25.621258043273464,"endHours":26.621258043273464,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:37","end":"03:37","startHours":26.621258043273464,"endHours":27.621258043273464,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:37","end":"04:37","startHours":27.621258043273464,"endHours":28.621258043273464,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:37","end":"05:37","startHours":28.621258043273464,"endHours":29.621258043273464,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:37","end":"06:37","startHours":29.621258043273464,"endHours":30.621258043273464,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.369866789620064,"eotMinutes":-14.492568351336082,"ayanamsa":23.3519}},"calendars":{"vikram_samvat":2021,"vikram_samvatsara":"Piṅgala","saka_samvat":1886,"saka_samvatsara":"Krodhi","bengali_samvat":1371,"malayalam_era":1140,"nanakshahi_year":495,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Caturthī · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 February 17, 1964 CE · Ayodhyā · Vidhyamitra","description":"February 17, 1964 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:37, sūryāsta 17:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1964-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1964-02-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/1964-02-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/1964-02-17","x-default":"https://vidhyamitra.com/city/ayodhya/1964-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:32:05.804Z","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":"2026-05-31T00:32:05.804Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:32:05.804Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}