{"id":"vidhyamitra:city-day:ayodhya:1668-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1668-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1668-01-18","date_display":"January 18, 1668 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":1668,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2330301.770833,"kali_year":4769,"ahargana":1741836.2708,"sun":{"sidereal_longitude":279.3538,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":333.784,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.4303,"elapsed_within_tithi_degrees":6.4303},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":333.784,"elapsed_within_degrees":0.4507},"yoga":{"number":19,"name":"Parigha","sum_longitude":253.1378},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1668,"month":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2330301.770833,"ahargana":1741836.2708,"kali_year":4769,"ayanamsa_lahiri":19.2159,"grahas":{"sun":{"sidereal_longitude":278.62939299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":334.27209300000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-4.3534},"mars":{"sidereal_longitude":193.01739300000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":259.41369299999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":12.252693000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":296.51519299999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":288.920793,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":49.1321,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":229.1321,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"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":1668,"month":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2330301.770833,"kali_year":4769,"ahargana":1741836.2708,"sun":{"sidereal_longitude":279.3538,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":333.784,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.4303,"elapsed_within_tithi_degrees":6.4303},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":333.784,"elapsed_within_degrees":0.4507},"yoga":{"number":19,"name":"Parigha","sum_longitude":253.1378},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.353,"elongation":54.43},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.353,"opposition_distance":125.57}},"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":"06:51","sunsetLocal":"17:32","solarNoonLocal":"12:12","dayLengthHours":10.676646706939401,"dayLengthDisplay":"10 Hours 40 Mins 36 Secs","nightLengthDisplay":"13 Hours 19 Mins 24 Secs","moonriseLocal":"09:57","moonsetLocal":"21:51","rahuKala":{"name":"Rāhu Kāla","start":"12:12","end":"13:32","startHours":12.192220493028163,"endHours":13.526801331395589,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:11","end":"09:31","startHours":8.188477977925888,"endHours":9.523058816293313,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:51","end":"12:12","startHours":10.857639654660737,"endHours":12.192220493028163,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.34511470451099,"endHours":9.701002928075637,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.2987574190142706,"endHours":7.583467997865988,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:33","startHours":11.836332269463517,"endHours":12.54810871659281,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:09","startHours":5.430344245299875,"endHours":6.142120692429169,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.964176580646845,"endHours":6.8538971395584625,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:41","startHours":13.971661610851397,"endHours":14.683438057980691,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.330543846497864,"endHours":17.730543846497863,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:59","startHours":17.530543846497864,"endHours":17.975404125953673,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.280543846497864,"endHours":19.030543846497864,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:33","startHours":23.836332269463515,"endHours":24.54810871659281,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:51","end":"08:11","startHours":6.8538971395584625,"endHours":8.188477977925888,"quality":"auspicious"},{"name":"Amṛta","start":"08:11","end":"09:31","startHours":8.188477977925888,"endHours":9.523058816293313,"quality":"auspicious"},{"name":"Kāla","start":"09:31","end":"10:51","startHours":9.523058816293313,"endHours":10.857639654660737,"quality":"inauspicious"},{"name":"Śubha","start":"10:51","end":"12:12","startHours":10.857639654660737,"endHours":12.192220493028163,"quality":"auspicious"},{"name":"Roga","start":"12:12","end":"13:32","startHours":12.192220493028163,"endHours":13.526801331395589,"quality":"inauspicious"},{"name":"Udveg","start":"13:32","end":"14:52","startHours":13.526801331395589,"endHours":14.861382169763013,"quality":"inauspicious"},{"name":"Chala","start":"14:52","end":"16:12","startHours":14.861382169763013,"endHours":16.195963008130438,"quality":"neutral"},{"name":"Labha","start":"16:12","end":"17:32","startHours":16.195963008130438,"endHours":17.530543846497864,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:32","end":"19:12","startHours":17.530543846497864,"endHours":19.195963008130438,"quality":"inauspicious"},{"name":"Chala","start":"19:12","end":"20:52","startHours":19.195963008130438,"endHours":20.86138216976301,"quality":"neutral"},{"name":"Labha","start":"20:52","end":"22:32","startHours":20.86138216976301,"endHours":22.52680133139559,"quality":"auspicious"},{"name":"Amṛta","start":"22:32","end":"00:12","startHours":22.52680133139559,"endHours":24.192220493028163,"quality":"auspicious"},{"name":"Kāla","start":"00:12","end":"01:51","startHours":24.192220493028163,"endHours":25.857639654660737,"quality":"inauspicious"},{"name":"Śubha","start":"01:51","end":"03:31","startHours":25.857639654660737,"endHours":27.523058816293315,"quality":"auspicious"},{"name":"Roga","start":"03:31","end":"05:11","startHours":27.523058816293315,"endHours":29.18847797792589,"quality":"inauspicious"},{"name":"Udveg","start":"05:11","end":"06:51","startHours":29.18847797792589,"endHours":30.853897139558462,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.8538971395584625,"endHours":7.8538971395584625,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.8538971395584625,"endHours":8.853897139558462,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.853897139558462,"endHours":9.853897139558462,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.853897139558462,"endHours":10.853897139558462,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.853897139558462,"endHours":11.853897139558462,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.853897139558462,"endHours":12.853897139558462,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.853897139558462,"endHours":13.853897139558462,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.853897139558462,"endHours":14.853897139558462,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.853897139558462,"endHours":15.853897139558462,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.853897139558462,"endHours":16.853897139558462,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.853897139558462,"endHours":17.853897139558462,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.853897139558462,"endHours":18.853897139558462,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.853897139558462,"endHours":19.853897139558462,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.853897139558462,"endHours":20.853897139558462,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.853897139558462,"endHours":21.853897139558462,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.853897139558462,"endHours":22.853897139558462,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.853897139558462,"endHours":23.853897139558462,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.853897139558462,"endHours":24.853897139558462,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.853897139558462,"endHours":25.853897139558462,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.853897139558462,"endHours":26.853897139558462,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.853897139558462,"endHours":27.853897139558462,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.853897139558462,"endHours":28.853897139558462,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.853897139558462,"endHours":29.853897139558462,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.853897139558462,"endHours":30.853897139558462,"planetary_lord":"Sun"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.590094925935734,"eotMinutes":-10.349229581689698,"ayanamsa":19.2159}},"calendars":{"vikram_samvat":1725,"vikram_samvatsara":"Durmati","saka_samvat":1590,"saka_samvatsara":"Kīlaka","bengali_samvat":1075,"malayalam_era":844,"nanakshahi_year":199,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pañcamī · Vikram 1725 Durmati · Śaka 1590 Kīlaka"},"festivals":[{"id":"sarasvati-jayanti","name":"Sarasvatī Jayantī (Vasanta Pañchamī)","name_sanskrit":"सरस्वती जयन्ती / वसन्त पञ्चमी","tradition":"Pan-Hindu","associated_deity":"Sarasvatī (Vāk-tattva)","significance":"Manifestation of Devī Sarasvatī; vidyā-ārambha day; vasanta-ṛtu begins.","vrata":true,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Skanda Purāṇa","Devī Bhāgavata"]}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 January 18, 1668 CE · Ayodhyā · Vidhyamitra","description":"January 18, 1668 CE for Ayodhyā: Śukla Pañcamī, sūryodaya 06:51, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1668-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1668-01-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1668-01-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1668-01-18","x-default":"https://vidhyamitra.com/city/ayodhya/1668-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T15:32:40.106Z","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":"2026-06-04T15:32:40.106Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T15:32:40.106Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}