{"id":"vidhyamitra:city-day:ayodhya:2206-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2206-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2206-04-18","date_display":"April 18, 2206 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":2206,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2526891.770833,"kali_year":5307,"ahargana":1938426.2708,"sun":{"sidereal_longitude":0.3839,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":103.0559,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.672,"elapsed_within_tithi_degrees":6.672},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":103.0559,"elapsed_within_degrees":9.7226},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":103.4398},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2206,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2526891.770833,"ahargana":1938426.2708,"kali_year":5307,"ayanamsa_lahiri":26.7347,"grahas":{"sun":{"sidereal_longitude":0.7336099999999988,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":99.82951000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":2.2624},"mars":{"sidereal_longitude":235.35530999999992,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":8.85890999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":144.35501,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":322.79691,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":19.42201,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":72.8478,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.8478,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":2206,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2526891.770833,"kali_year":5307,"ahargana":1938426.2708,"sun":{"sidereal_longitude":0.3839,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":103.0559,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":102.672,"elapsed_within_tithi_degrees":6.672},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":103.0559,"elapsed_within_degrees":9.7226},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":103.4398},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.262,"elongation":102.672},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.262,"opposition_distance":77.328}},"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":12.848464097819104,"dayLengthDisplay":"12 Hours 50 Mins 54 Secs","nightLengthDisplay":"11 Hours 09 Mins 06 Secs","moonriseLocal":"11:55","moonsetLocal":"01:19","rahuKala":{"name":"Rāhu Kāla","start":"10:24","end":"12:01","startHours":10.405243939507887,"endHours":12.011301951735277,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:13","end":"16:50","startHours":15.223417976190053,"endHours":16.82947598841744,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:12","end":"08:48","startHours":7.193127915053112,"endHours":8.7991859272805,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:01","startHours":8.585044858983515,"endHours":9.013326995577485,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.122422573568187,"endHours":6.465048282843363,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:26","startHours":11.583019815141308,"endHours":12.439584088329246,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:44","startHours":3.8739413564498433,"endHours":4.730505629637784,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:31","end":"05:35","startHours":4.516364561340799,"endHours":5.587069902825724,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:01","startHours":14.152712634705125,"endHours":15.009276907893065,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.23553400064483,"endHours":18.635534000644828,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:58","startHours":18.43553400064483,"endHours":18.97088667138729,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.18553400064483,"endHours":19.93553400064483,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:26","startHours":23.583019815141306,"endHours":24.439584088329248,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:35","end":"07:12","startHours":5.587069902825724,"endHours":7.193127915053112,"quality":"neutral"},{"name":"Labha","start":"07:12","end":"08:48","startHours":7.193127915053112,"endHours":8.7991859272805,"quality":"auspicious"},{"name":"Amṛta","start":"08:48","end":"10:24","startHours":8.7991859272805,"endHours":10.405243939507887,"quality":"auspicious"},{"name":"Kāla","start":"10:24","end":"12:01","startHours":10.405243939507887,"endHours":12.011301951735277,"quality":"inauspicious"},{"name":"Śubha","start":"12:01","end":"13:37","startHours":12.011301951735277,"endHours":13.617359963962663,"quality":"auspicious"},{"name":"Roga","start":"13:37","end":"15:13","startHours":13.617359963962663,"endHours":15.223417976190053,"quality":"inauspicious"},{"name":"Udveg","start":"15:13","end":"16:50","startHours":15.223417976190053,"endHours":16.82947598841744,"quality":"inauspicious"},{"name":"Chala","start":"16:50","end":"18:26","startHours":16.82947598841744,"endHours":18.43553400064483,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:26","end":"19:50","startHours":18.43553400064483,"endHours":19.829475988417443,"quality":"inauspicious"},{"name":"Udveg","start":"19:50","end":"21:13","startHours":19.829475988417443,"endHours":21.223417976190053,"quality":"inauspicious"},{"name":"Chala","start":"21:13","end":"22:37","startHours":21.223417976190053,"endHours":22.617359963962663,"quality":"neutral"},{"name":"Labha","start":"22:37","end":"00:01","startHours":22.617359963962663,"endHours":24.011301951735277,"quality":"auspicious"},{"name":"Amṛta","start":"00:01","end":"01:24","startHours":24.011301951735277,"endHours":25.40524393950789,"quality":"auspicious"},{"name":"Kāla","start":"01:24","end":"02:48","startHours":25.40524393950789,"endHours":26.7991859272805,"quality":"inauspicious"},{"name":"Śubha","start":"02:48","end":"04:12","startHours":26.7991859272805,"endHours":28.19312791505311,"quality":"auspicious"},{"name":"Roga","start":"04:12","end":"05:35","startHours":28.19312791505311,"endHours":29.587069902825725,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.587069902825724,"endHours":6.587069902825724,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.587069902825724,"endHours":7.587069902825724,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.587069902825724,"endHours":8.587069902825725,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.587069902825725,"endHours":9.587069902825725,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.587069902825725,"endHours":10.587069902825725,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.587069902825725,"endHours":11.587069902825725,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.587069902825725,"endHours":12.587069902825725,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.587069902825725,"endHours":13.587069902825725,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.587069902825725,"endHours":14.587069902825725,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.587069902825725,"endHours":15.587069902825725,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.587069902825725,"endHours":16.587069902825725,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.587069902825725,"endHours":17.587069902825725,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.587069902825725,"endHours":18.587069902825725,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.587069902825725,"endHours":19.587069902825725,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.587069902825725,"endHours":20.587069902825725,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.587069902825725,"endHours":21.587069902825725,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.587069902825725,"endHours":22.587069902825725,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.587069902825725,"endHours":23.587069902825725,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.587069902825725,"endHours":24.587069902825725,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.587069902825725,"endHours":25.587069902825725,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.587069902825725,"endHours":26.587069902825725,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.587069902825725,"endHours":27.587069902825725,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.587069902825725,"endHours":28.587069902825725,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.587069902825725,"endHours":29.587069902825725,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.57120035630432,"eotMinutes":0.5058828958834352,"ayanamsa":26.7347}},"calendars":{"vikram_samvat":2263,"vikram_samvatsara":"Siddhārthī","saka_samvat":2128,"saka_samvatsara":"Parābhava","bengali_samvat":1613,"malayalam_era":1382,"nanakshahi_year":737,"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 2263 Siddhārthī · Śaka 2128 Parābhava"},"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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, 2206 CE · Ayodhyā · Vidhyamitra","description":"April 18, 2206 CE for Ayodhyā: Śukla Navamī, sūryodaya 05:35, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2206-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2206-04-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2206-04-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2206-04-18","x-default":"https://vidhyamitra.com/city/ayodhya/2206-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T21:57:16.546Z","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":"2026-05-31T21:57:16.546Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T21:57:16.546Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}