{"id":"vidhyamitra:city-day:ayodhya:1709-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1709-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1709-04-18","date_display":"April 18, 1709 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":1709,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2345366.770833,"kali_year":4811,"ahargana":1756901.2708,"sun":{"sidereal_longitude":8.7575,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":109.5546,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.797,"elapsed_within_tithi_degrees":4.797},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":109.5546,"elapsed_within_degrees":2.8879},"yoga":{"number":9,"name":"Śūla","sum_longitude":118.3121},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1709,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2345366.770833,"ahargana":1756901.2708,"kali_year":4811,"ayanamsa_lahiri":19.7921,"grahas":{"sun":{"sidereal_longitude":7.981199000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":107.33339899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":2.9719},"mars":{"sidereal_longitude":97.70069899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":346.501799,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":190.482799,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":354.580699,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":70.87639899999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":330.9159,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":150.9159,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":1709,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2345366.770833,"kali_year":4811,"ahargana":1756901.2708,"sun":{"sidereal_longitude":8.7575,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":109.5546,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.797,"elapsed_within_tithi_degrees":4.797},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":109.5546,"elapsed_within_degrees":2.8879},"yoga":{"number":9,"name":"Śūla","sum_longitude":118.3121},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.972,"elongation":100.797},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.972,"opposition_distance":79.203}},"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":"05:35","sunsetLocal":"18:26","solarNoonLocal":"12:01","dayLengthHours":12.856181534313855,"dayLengthDisplay":"12 Hours 51 Mins 22 Secs","nightLengthDisplay":"11 Hours 08 Mins 38 Secs","moonriseLocal":"11:56","moonsetLocal":"01:20","rahuKala":{"name":"Rāhu Kāla","start":"13:37","end":"15:14","startHours":13.61832464352451,"endHours":15.225347335313739,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:35","end":"07:11","startHours":5.5832111845783485,"endHours":7.19023387636758,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:48","end":"10:24","startHours":8.797256568156811,"endHours":10.404279259946044,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:01","startHours":8.582986875918248,"endHours":9.011526260395376,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.118885415174759,"endHours":6.461716922756462,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:26","startHours":11.582762567258149,"endHours":12.439841336212405,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:44","startHours":3.8690536466698346,"endHours":4.726132415624091,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:31","end":"05:35","startHours":4.511862723385527,"endHours":5.5832111845783485,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:01","startHours":14.15399887412092,"endHours":15.011077643075176,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.239392718892205,"endHours":18.639392718892204,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:59","startHours":18.439392718892204,"endHours":18.975066949488614,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.189392718892204,"endHours":19.939392718892204,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:26","startHours":23.582762567258147,"endHours":24.439841336212407,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:35","end":"07:11","startHours":5.5832111845783485,"endHours":7.19023387636758,"quality":"auspicious"},{"name":"Roga","start":"07:11","end":"08:48","startHours":7.19023387636758,"endHours":8.797256568156811,"quality":"inauspicious"},{"name":"Udveg","start":"08:48","end":"10:24","startHours":8.797256568156811,"endHours":10.404279259946044,"quality":"inauspicious"},{"name":"Chala","start":"10:24","end":"12:01","startHours":10.404279259946044,"endHours":12.011301951735277,"quality":"neutral"},{"name":"Labha","start":"12:01","end":"13:37","startHours":12.011301951735277,"endHours":13.61832464352451,"quality":"auspicious"},{"name":"Amṛta","start":"13:37","end":"15:14","startHours":13.61832464352451,"endHours":15.225347335313739,"quality":"auspicious"},{"name":"Kāla","start":"15:14","end":"16:50","startHours":15.225347335313739,"endHours":16.83237002710297,"quality":"inauspicious"},{"name":"Śubha","start":"16:50","end":"18:26","startHours":16.83237002710297,"endHours":18.439392718892204,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:26","end":"19:50","startHours":18.439392718892204,"endHours":19.83237002710297,"quality":"auspicious"},{"name":"Kāla","start":"19:50","end":"21:14","startHours":19.83237002710297,"endHours":21.225347335313742,"quality":"inauspicious"},{"name":"Śubha","start":"21:14","end":"22:37","startHours":21.225347335313742,"endHours":22.61832464352451,"quality":"auspicious"},{"name":"Roga","start":"22:37","end":"00:01","startHours":22.61832464352451,"endHours":24.011301951735277,"quality":"inauspicious"},{"name":"Udveg","start":"00:01","end":"01:24","startHours":24.011301951735277,"endHours":25.404279259946044,"quality":"inauspicious"},{"name":"Chala","start":"01:24","end":"02:48","startHours":25.404279259946044,"endHours":26.79725656815681,"quality":"neutral"},{"name":"Labha","start":"02:48","end":"04:11","startHours":26.79725656815681,"endHours":28.190233876367582,"quality":"auspicious"},{"name":"Amṛta","start":"04:11","end":"05:35","startHours":28.190233876367582,"endHours":29.58321118457835,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.5832111845783485,"endHours":6.5832111845783485,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.5832111845783485,"endHours":7.5832111845783485,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.5832111845783485,"endHours":8.58321118457835,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.58321118457835,"endHours":9.58321118457835,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.58321118457835,"endHours":10.58321118457835,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.58321118457835,"endHours":11.58321118457835,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.58321118457835,"endHours":12.58321118457835,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.58321118457835,"endHours":13.58321118457835,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.58321118457835,"endHours":14.58321118457835,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.58321118457835,"endHours":15.58321118457835,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.58321118457835,"endHours":16.58321118457835,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.58321118457835,"endHours":17.58321118457835,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.58321118457835,"endHours":18.58321118457835,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.58321118457835,"endHours":19.58321118457835,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.58321118457835,"endHours":20.58321118457835,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.58321118457835,"endHours":21.58321118457835,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.58321118457835,"endHours":22.58321118457835,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.58321118457835,"endHours":23.58321118457835,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.58321118457835,"endHours":24.58321118457835,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.58321118457835,"endHours":25.58321118457835,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.58321118457835,"endHours":26.58321118457835,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.58321118457835,"endHours":27.58321118457835,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.58321118457835,"endHours":28.58321118457835,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.58321118457835,"endHours":29.58321118457835,"planetary_lord":"Moon"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.680555090522883,"eotMinutes":0.5058828958834352,"ayanamsa":19.7921}},"calendars":{"vikram_samvat":1766,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1631,"saka_samvatsara":"Virodhi","bengali_samvat":1116,"malayalam_era":885,"nanakshahi_year":240,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha (Adhika) Śukla Navamī · Vikram 1766 Śubhakṛt · Śaka 1631 Virodhi"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 April 18, 1709 CE · Ayodhyā · Vidhyamitra","description":"April 18, 1709 CE for Ayodhyā: Śukla Navamī, sūryodaya 05:35, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1709-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1709-04-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1709-04-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1709-04-18","x-default":"https://vidhyamitra.com/city/ayodhya/1709-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:07:15.616Z","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":"2026-06-01T21:07:15.616Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:07:15.616Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}