{"id":"vidhyamitra:city-day:ayodhya:1830-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1830-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1830-04-18","date_display":"April 18, 1830 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":1830,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2389560.770833,"kali_year":4932,"ahargana":1801095.2708,"sun":{"sidereal_longitude":6.514,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":301.6963,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.1823,"elapsed_within_tithi_degrees":7.1823},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.6963,"elapsed_within_degrees":8.3629},"yoga":{"number":24,"name":"Śukla","sum_longitude":308.2102},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"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":1830,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2389560.770833,"ahargana":1801095.2708,"kali_year":4932,"ayanamsa_lahiri":21.4823,"grahas":{"sun":{"sidereal_longitude":6.008464000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":298.02046399999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":2.0838},"mars":{"sidereal_longitude":284.995364,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":3.414664000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":268.468164,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":326.60886400000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":111.33876400000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":149.3051,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":329.3051,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1830,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2389560.770833,"kali_year":4932,"ahargana":1801095.2708,"sun":{"sidereal_longitude":6.514,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":301.6963,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":295.1823,"elapsed_within_tithi_degrees":7.1823},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.6963,"elapsed_within_degrees":8.3629},"yoga":{"number":24,"name":"Śukla","sum_longitude":308.2102},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.084,"elongation":64.818},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.084,"opposition_distance":115.182}},"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":12.84903267724004,"dayLengthDisplay":"12 Hours 50 Mins 57 Secs","nightLengthDisplay":"11 Hours 09 Mins 03 Secs","moonriseLocal":"01:57","moonsetLocal":"13:00","rahuKala":{"name":"Rāhu Kāla","start":"16:50","end":"18:26","startHours":16.82968920570029,"endHours":18.435818290355297,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:01","end":"13:37","startHours":12.011301951735277,"endHours":13.617431036390283,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:13","end":"16:50","startHours":15.223560121045287,"endHours":16.82968920570029,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:01","startHours":8.5848932378046,"endHours":9.013194327045934,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.122161974666925,"endHours":6.4648028460599924,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:26","startHours":11.583000862493941,"endHours":12.439603040976612,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:44","startHours":3.8735812561499188,"endHours":4.730183434632588,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:31","end":"05:35","startHours":4.51603289001192,"endHours":5.586785613115257,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:01","startHours":14.15280739794195,"endHours":15.00940957642462,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.235818290355297,"endHours":18.635818290355296,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:58","startHours":18.435818290355297,"endHours":18.971194651906966,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.185818290355297,"endHours":19.935818290355297,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:26","startHours":23.583000862493943,"endHours":24.43960304097661,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:35","end":"07:12","startHours":5.586785613115257,"endHours":7.192914697770262,"quality":"inauspicious"},{"name":"Chala","start":"07:12","end":"08:48","startHours":7.192914697770262,"endHours":8.799043782425267,"quality":"neutral"},{"name":"Labha","start":"08:48","end":"10:24","startHours":8.799043782425267,"endHours":10.405172867080271,"quality":"auspicious"},{"name":"Amṛta","start":"10:24","end":"12:01","startHours":10.405172867080271,"endHours":12.011301951735277,"quality":"auspicious"},{"name":"Kāla","start":"12:01","end":"13:37","startHours":12.011301951735277,"endHours":13.617431036390283,"quality":"inauspicious"},{"name":"Śubha","start":"13:37","end":"15:13","startHours":13.617431036390283,"endHours":15.223560121045287,"quality":"auspicious"},{"name":"Roga","start":"15:13","end":"16:50","startHours":15.223560121045287,"endHours":16.82968920570029,"quality":"inauspicious"},{"name":"Udveg","start":"16:50","end":"18:26","startHours":16.82968920570029,"endHours":18.435818290355297,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:26","end":"19:50","startHours":18.435818290355297,"endHours":19.82968920570029,"quality":"auspicious"},{"name":"Roga","start":"19:50","end":"21:13","startHours":19.82968920570029,"endHours":21.22356012104529,"quality":"inauspicious"},{"name":"Udveg","start":"21:13","end":"22:37","startHours":21.22356012104529,"endHours":22.617431036390283,"quality":"inauspicious"},{"name":"Chala","start":"22:37","end":"00:01","startHours":22.617431036390283,"endHours":24.011301951735277,"quality":"neutral"},{"name":"Labha","start":"00:01","end":"01:24","startHours":24.011301951735277,"endHours":25.40517286708027,"quality":"auspicious"},{"name":"Amṛta","start":"01:24","end":"02:48","startHours":25.40517286708027,"endHours":26.799043782425265,"quality":"auspicious"},{"name":"Kāla","start":"02:48","end":"04:12","startHours":26.799043782425265,"endHours":28.192914697770263,"quality":"inauspicious"},{"name":"Śubha","start":"04:12","end":"05:35","startHours":28.192914697770263,"endHours":29.586785613115257,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.586785613115257,"endHours":6.586785613115257,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.586785613115257,"endHours":7.586785613115257,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.586785613115257,"endHours":8.586785613115257,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.586785613115257,"endHours":9.586785613115257,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.586785613115257,"endHours":10.586785613115257,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.586785613115257,"endHours":11.586785613115257,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.586785613115257,"endHours":12.586785613115257,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.586785613115257,"endHours":13.586785613115257,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.586785613115257,"endHours":14.586785613115257,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.586785613115257,"endHours":15.586785613115257,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.586785613115257,"endHours":16.586785613115257,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.586785613115257,"endHours":17.586785613115257,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.586785613115257,"endHours":18.586785613115257,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.586785613115257,"endHours":19.586785613115257,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.586785613115257,"endHours":20.586785613115257,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.586785613115257,"endHours":21.586785613115257,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.586785613115257,"endHours":22.586785613115257,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.586785613115257,"endHours":23.586785613115257,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.586785613115257,"endHours":24.586785613115257,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.586785613115257,"endHours":25.586785613115257,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.586785613115257,"endHours":26.586785613115257,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.586785613115257,"endHours":27.586785613115257,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.586785613115257,"endHours":28.586785613115257,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.586785613115257,"endHours":29.586785613115257,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.57926034323133,"eotMinutes":0.5058828958834352,"ayanamsa":21.4823}},"calendars":{"vikram_samvat":1887,"vikram_samvatsara":"Śobhana","saka_samvat":1752,"saka_samvatsara":"Vikṛti","bengali_samvat":1237,"malayalam_era":1006,"nanakshahi_year":361,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","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 Kṛṣṇa Daśamī · Vikram 1887 Śobhana · Śaka 1752 Vikṛti"},"festivals":[],"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":[]},"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, 1830 CE · Ayodhyā · Vidhyamitra","description":"April 18, 1830 CE for Ayodhyā: Kṛṣṇa Daśamī, sūryodaya 05:35, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1830-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1830-04-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1830-04-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1830-04-18","x-default":"https://vidhyamitra.com/city/ayodhya/1830-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:26:45.620Z","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":"2026-05-31T12:26:45.620Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:26:45.620Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}